00642nam a2200193 a 450000500170000000800410001702000150005805000240007310000200009724500890011725000120020626000310021830000340024944000320028350400510031565000250036665000260039170000310041720230110145408.0090702s1991    nyua   g      001 0 eng d  a047154194x 4aHG4529.5b.E47 19911 aElton, Edwin J.10aModern portfolio theory and investment analysis /cEdwin J. Elton, Martin J. Gruber.  a4th ed.  aNew York :bWiley,cc1991.  axvi, 736 p. :bill. ;c25 cm. 4aThe Wiley series in finance  aIncludes bibliographical references and index. 0aInvestment analysis. 0aPortfolio management.1 aGruber, Martin Jay,d1937-