TY  - BOOK
AU  - Murthy,C.
TI  - A textbook of environmental sciences
SN  - 8180543749 (pbk.) :
U1  - 333.7 
PY  - 2005///
CY  - New Delhi
PB  - Sultan Chand
KW  - Environmental sciences
KW  - Textbook
KW  - Natural resources
N1  - Includes bibliographical references and index
ER  -