00535cam a2200157 a 4500020003200000020002100032050001600053100001800069245006900087260006000156300003600216500005100252650002200303650003000325700002200355  a0875843212 (acidfree paper)  a0875846416 (pbk)00aHB 615bBLO1 aBlock, Zenas.10aCorporate venturing :bcreating new businesses within the firm /  aBoston, Mass. :bHarvard Business School Press,cc1993.  ax, 371 pages :bIllustrations ;  aIncludes bibliographical references and index.  aEntrepreneurship.  aNew business enterprises.  aMacMillan, Ian C.