Surging Serial Costs: The Microfiche Solution

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Gabriel, Michael
Format:	Recurso educativo Open Access
Language:	en
Published:	1974
Subjects:	Costs Library Collections Library Cooperation Library Expenditures Library Planning Microfiche Microforms Periodicals Research Libraries Serials
Online Access:	Acceder al recurso
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Serial on Microfilm-The Quick Sales Approach
Published: (1973)

ARL Statistics, 1974-1975; a Compilation of Statistics from the Ninety-Nine Members of the Association of Research Libraries.
by: Frankie, Suzanne O., Comp., et al.
Published: (1975)

ARL Statistics. 1975-1976. A Compilation of Statistics from the One Hundred and Five Members of the Association of Research Libraries.
by: Frankie, Suzanne
Published: (1976)

Methodology and Background Information to Assist the Planning of Serials Cancellations and Cooperative Serials Collection in the Health Sciences.
by: Bourne, Charles P., et al.
Published: (1975)

High-Reduction Microfiche for Libraries: An Evaluation of Collections from the National Cash Register Company and Library Resources, Inc.
by: Evans, Charles W.
Published: (1972)

ARL Statistics, 1977-78. A Compilation of Statistics from the One Hundred and Five Members of the Association of Research Libraries.
by: Frankie, Suzanne, Comp.
Published: (1978)

Price Indexes For 1970. U.S. Periodicals and Serial Services
by: Tuttle, Helen W., et al.
Published: (1970)

A Cooperative Conversion Project from Vertical File Hardcopy to Jacketed Microfiche.
by: Worden, Diane D.
Published: (1981)

Price Indexes for 1971. U.S. Periodicals and Serial Services
by: Tuttle, Helen W., et al.
Published: (1971)

Periodical Prices: A Three-Year Comparative Study
by: Clasquin, F. F.
Published: (1974)

Meeting Library Space Needs.
by: Youngren, Ralph P.
Published: (1976)

Microfilm: The Librarians' View, 1976-77.
by: Dranov, Paula
Published: (1976)

Library of American Civilization Demonstration. Final Report.
by: Napier, Paul A., et al.
Published: (1973)

A Methodology for Decision-Making in Serials.
by: Planton, Stanley
Published: (1976)

Promoting Microform Collections in the Library.
by: McIntosh, Melinda
Published: (1982)

ARL Statistics, 1976-1977. A Compilation of Statistics from the One Hundred and Five Members of the Association of Research Libraries.
by: Frankie, Suzanne, Comp.
Published: (1977)

Serials Problems in Education Libraries.
by: Morrill, Richard L.
Published: (1981)

Conversion of Periodical Holdings to Microform: A Rating Form.
by: Schwarz, Philip John
Published: (1973)

Library Cost Models: Owning Versus Borrowing Serial Publications.
by: Williams, Gordon, et al.
Published: (1968)

Public Service of a Large Microforms Collection (Part II).
by: Pontius, Jack E.
Published: (1981)

Academic Library Statistics, 1972-1973. A Compilation of Statistics from the Eighty-One University Members of the Association of Research Libraries.
Published: (1973)

Serial Killers: Academic Libraries Respond to Soaring Costs.
by: McCarthy, Paul
Published: (1994)

The Use of a Microfiche Catalog for Public Service and On-Line Retrieval of Bibliographic Data.
by: Griffith, C. C., et al.
Published: (1976)

Cumulated ARL University Library Statistics, 1962-63 through 1978-79.
by: Stubbs, Kendon, Comp., et al.
Published: (1981)

A Guide to Selected Microform Series and Their Indexes.
by: Olevnik, Peter
Published: (1973)

Price Trends Affecting Academic Library Budgets. Technical Report Series.
by: Drake, Miriam A.
Published: (1975)

Library Statistics of Colleges and Universities, Fall 1969; Analytic Report.
by: Price, Bronson, et al.
Published: (1971)

ARL Statistics, 1978-79. A Compilation of Statistics from One Hundred and Ten Members of the Association of Research Libraries.
by: Mandel, Carol A., Comp., et al.
Published: (1979)

User's Reaction to Microfiche. A Preliminary Study
by: Lewis, Ralph W.
Published: (1970)

Some Measures of Cost Effectiveness in Library Collections.
by: Hamaker, Charles A.
Published: (1992)

Microform Serials Acquisition: A Suggested Planning Model.
by: Gleaves, Edwin S., et al.
Published: (1982)

Research Libraries and Technology. A Report to the Sloan Foundation.
by: Fussler, Herman H.
Published: (1974)

Microform Collections in Milner Library, Illinois State University, Normal.
Published: (1979)

A Guide to Research Collections in Microform in the University of Toronto Library. Reference Series No. 19.
by: Wagle, Iqbal, Comp.
Published: (1974)

Periodicals for the Asking: A Plan for a Periodicals Network; A Survey Report of Five California Counties Made for the 49-99 Cooperative Library System.
by: Holt, Raymond M.
Published: (1971)

Education Journals; A Union List. The Holdings of the Monroe C. Gutman Library at the Harvard Graduate School of Education and of 34 Other Academic and Special Libraries in Massachusetts.
by: Hamilton, Malcolm, Ed.
Published: (1974)

Academic Library Statistics, 1973-1974; a Compilation of Statistics from the Eighty-Two University Library Members of the Association of Research Libraries.
by: Frankie, Suzanne O., Comp.
Published: (1974)

Serial Murder in Southeast Asia: Collecting and Preserving Serials in Changing Landscape.
by: Mitchell, Carol L.
Published: (1999)

Cooperative Collection Development.
by: Poulos, Angela
Published: (1979)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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