id author title date pages extension mime words sentence flesch summary cache txt ital-5248 Avram, Henriette; De Gennaro, Richard; Pulsifer, Josephine S.; Rather, John C.; Rosenthal, Joseph A.; Veaner, Allen B. Levels of Machine Readable Records 1970-06-01 6 .pdf application/pdf 2215 115 58 The first involves the distribution of cataloging information in machine readable form for use by library networks, library systems, and individual libraries; the second involves the recording of bibliographic data in a national union catalog to reflect the holdings of libraries in the United States and Canada. At the present stage of library automation, it is impossible to define rigorously all of the potential uses of machine readable catalog records. cache/ital-5248.pdf txt/ital-5248.txt