TY  - BOOK
AU  - Prest A r
TI  - How much subsidy:  A study of the economic concept   
T2  - Institute of Economic Affairs, Research Monographs.32
SN  - 255360592
U1  - X78.3.N7, L4 
PY  - 1974///
CY  - London
PB  - I E A        
ER  -