TY  - GEN
AU  - Elton, Edwin J.
AU  - Gruber, Martin J.
TI  - Modern portfolio theory and investment analysis
SN  - 0471007439
U1  - 332.6 
PY  - 1981///
CY  - New York
PB  - John Wiley & Sons
KW  - Investment
KW  - Financial economic
ER  -