Block, Zenas. Corporate venturing : creating new businesses within the firm / Zenas Block and Ian C. MacMillan. - Boston, Mass. : Harvard Business School Press, c1993. - x, 371 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0875843212 (acidfree paper) LCCN: 92-028830 Subjects--Topical Terms: Entrepreneurship.New business enterprises. Dewey Class. No.: 658.1/6