TY  - BOOK
AU  - Wright Richard T
AU  - Wright Richard T
TI  - Environmental science: toward a sustainable future
SN  - 812033065X
U1  - 363.7 
PY  - 2007///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - eco systems-basic units of the natural world
KW  - human population
KW  - ethics
ER  -