TY  - BOOK
AU  - Townsend Harry
TI  - Price theory: selected readings 
T2  - Penguin modern economics readings
SN  - 0140802649
AV  - HB221  
PY  - 1971///
CY  - Harmondsworth
PB  - Penguin
KW  - Prices
N1  - Bibliography: p. 473-476
ER  -