TY  - BOOK
AU  - Dasgupta,P.S..
AU  - Heal,G.M..
TI  - Economic theory and exahustible resources / 
T2  - the Cambridge economic hand book, 
SN  - 0521297613
U1  - 330.1 
PY  - 1919///(rep1988)
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - ECONOMICS
N1  - NULL
ER  -