00734nam a22002537a 4500 CHAP 20220329134813.0 971013s1972 r 00010 d 26218 27190 31291 CHAP 021.84 B8 Bush, George P. ed. 16340 Technology and copyright : annotated bibliography and source materials Mt. Airy, Maryland : Lomond Systems, 1972 454 p. BATCH-UPD 10 20130110 UCH01 1717 CONVERSION 10 20130109 UCH01 1315 Derechos de autor. 31914 BK LIBRO 021.84 B8 BC B -72323 B 60521 31291 i 26218 26218 0 0 0 3 0 B BC BC PA_BIB 2019-12-31 LIBRO 127 0 021.84 B8 33724002498009 2019-12-31 00:00:00 2019-12-31 LIBRO