Eichman, T. L. (1979). Subject Indexes vs. Original Documents as Research Sources: A Comparative Account of Text Construction and Use for Academic Libraries.
Cita Chicago Style (17a ed.)Eichman, Thomas Lee. Subject Indexes Vs. Original Documents as Research Sources: A Comparative Account of Text Construction and Use for Academic Libraries. 1979.
Cita MLA (9a ed.)Eichman, Thomas Lee. Subject Indexes Vs. Original Documents as Research Sources: A Comparative Account of Text Construction and Use for Academic Libraries. 1979.
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