TY  - BOOK
AU  - Semple Ellen C Ed.
TI  - Environmental geography :  Influences on man on the basis of ratzel's system,2V   
SN  - 8178886359
U1  - U:(G:55), P9.2 
PY  - 2009///
CY  -  New Delhi 
PB  - Dominant publications        
KW  - Geography
ER  -