00482nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100002500117245007600142260004800218300001100266650002300277CHAP20220329134813.0971013s1972            r     00010     d  a26218  a27190  a31291  cCHAP  a021.84bB800aBush, George P.eed.  aTechnology and copyrightb: annotated bibliography and source materials  aMt. Airy, Maryland :bLomond Systems,c1972  a454 p.14aDerechos de autor.