TY  - BOOK
AU  - Roberts, L
TI  - World Resources: A Guide to the Global Environment
SN  - 0195214072
U1  - 333.714 
PY  - 1998///
CY  - New York
PB  -  Oxford University Press
KW  - Economics of land and energy
KW  - Land, recreational and wilderness areas, energy
ER  -