TY  - BOOK
AU  - Simmons,Peter J.
TI  - Choice and demand
U1  - 339.018 
PY  - 1974///
CY  - London
PB  - Macmillan
KW  - Consumption (Economics)
KW  - Mathematical models
KW  - Supply and demand
N1  - Includes bibliographical references and index
ER  -