(1969). National Science Research Data Processing and Information Retrieval System; Hearings before the General Subcommittee on Education ... Ninety-First Congress, First Session on H.R. 8809 ... April 29 and 30, 1969.
Cita Chicago Style (17a ed.)National Science Research Data Processing and Information Retrieval System; Hearings Before the General Subcommittee on Education ... Ninety-First Congress, First Session on H.R. 8809 ... April 29 and 30, 1969. 1969.
Cita MLA (9a ed.)National Science Research Data Processing and Information Retrieval System; Hearings Before the General Subcommittee on Education ... Ninety-First Congress, First Session on H.R. 8809 ... April 29 and 30, 1969. 1969.
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