TY  - BOOK
AU  - Becker,Gary S. 
TI  - Economic theory/ 
SN  - 394314921
AV  - HB171.5  .B36 1971 
PY  - 1971///
CY  - New York :  
PB  - Alfred A.Knopf
KW  - Economic theory
N1  - Includes index.
ER  -