TY  - BOOK
AU  - SMITH Stephen
TI  - Environmental economics:  A very short introduction   
SN  - 9780199583584
U1  - X:(G:55), Q1 
PY  - 2011///
CY  - New York
PB  - Oxford University Press       
KW  - Economics
N1  - Biblioghraphy: P 107-111
ER  -