TY  - BOOK
AU  - James Gustave Speth
AU  - ,
TI  - Global environmental challenges
SN  - 8125027408
U1  - 363 . 73874  SPG 
PY  - 2005///
CY  - 
PB  - Orient Longman
KW  - Global environmental change / sustainable development
N1  - ISD
ER  -