TY  - BOOK
AU  - Simmons, Peter J.
TI  - Choice and demand
SN  - 0333155130 (hardcover)
U1  - 339.47 
PY  - 1974///
CY  - London
PB  - Macmillan
KW  - Consumption (Economics)-Mathematical models.--
N1  - "A Halsted Press book."
ER  -