TY  - BOOK
AU  - HESTER Donald D
AU  -  TOBIN James
TI  - Risk aversion and portfolio choice
T2  - Cowles foundation for reasearch in economics yale university,monograph,19
U1  - X65, K7 
PY  - 1967///
CY  - New York
PB  - John Wiley        
ER  -