TY - BOOK AU - Ploman,Edward W. AU - Hamilton,L.Clark TI - Copy right: intellectual property in the information age SN - 0710005393 U1 - 655.6 PY - 1980/// CY - London PB - Routledge and Kegan Paul KW - Copyright KW - Intellectual Property KW - Copyright, International N1 - Includes index; Bibliography: p. 230 - 235 ER -