TY  - BOOK
AU  - Turvey,Ralph, x
AU  - x
TI  - Demand and supply: x
SN  - 004330302
U1  - 338.521/T963d 
PY  - 1980///
CY  - London; Boston
PB  - George Allen and unwin
KW  - Supply and demand
N1  - Includes
ER  -