TY - BOOK AU - Halpern,Sheldon W. AU - Shipley,David E. AU - Abrams,Howard B. TI - Copyright cases and materials SN - 0314003282 AV - KF2993. H35 1992 PY - 1992/// CY - St. Paul, Minn. PB - West Pub. Co. KW - Copyright KW - United States KW - Cases N1 - Includes bibliographical references and index ER -