TY  - BOOK
AU  - Speth James Gustave
TI  - Global environmental challenges :  transitions to a sustainable world
SN  - 8125027408
U1  - G:55.1, P4-;1 
PY  - 2004///
CY  - New Delhi
PB  - Orient Longman Private Limited India   
KW  -  BIOLOGY
KW  - ENVIRONMENT - WORLD
ER  -