TY - BOOK AU - Block,Zenas AU - MacMillan, Ian C. TI - Corporate venturing: creating new businesses within the firm SN - 0875843212 (acidfree paper) AV - HB 615 BLO PY - 1993/// CY - Boston, Mass. PB - Harvard Business School Press KW - Entrepreneurship KW - New business enterprises N1 - Includes bibliographical references and index ER -