TY - BOOK AU - Markowitz,H. AU - Elton,Edwin J. AU - Gruber,Martin Jay TI - Portfolio theory, 25 years after: essays in honor of Harry Markowitz SN - 0444852794 AV - HG4521 .P59 U1 - 332.6'7 PY - 1979/// CY - Amsterdam, New York PB - North-Holland Pub. Co., sole distributors for the U.S.A. and Canada, Elsevier North-Holland KW - Investment analysis N1 - Volume 11; Includes biliographies N2 - The book covers some areas of research which have been an outgrowth of Markowitz's pioneering work on portfolio theory ER -