TY  - GEN
AU  - Singh, Savindra
TI  - Environmental geography
SN  - 81-86539-27-1 :
U1  - 574.52 
PY  - 2005///
CY  - Allahabad
PB  - Prayag pustak bhawan
KW  - ECOLOGY
N1  - Includes references and index
ER  -