TY  - BOOK
AU  - Elton,Edwin J.
AU  - Gruber,Martin Jay
TI  - Modern portfolio theory and investment analysis
SN  - 0471046906
U1  - 332.6 
PY  - 1981///
CY  - New York
PB  - John Wiley and sons 
KW  - Portfolio management
KW  - Investment analysis
ER  -