00799nam a22002657a 4500 257879 257879 00026482 OSt 20260929113809.0 770914s1977 dcu f000 0 eng d (OCoLC)3263750 GPO Biblioteca Encarnacion Valdes 802-A LC 3.4/2:38 c LC 3.4/2:38 c 125848 Library of Congress. Copyright Office International copyright conventions. Washington : Library of Congress, Copyright Office, 1977 35 p. ; 27 cm. Cover title. Issued may 1977. Copyright, International 80628 (paper) http://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=802-A&SYS=000026482 ddc 17