TY  - BOOK
AU  - Dickinson, G.C..
TI  - Maps and Air Photographs / 
SN  - 0-7131-6145-0
U1  - U252(a2;12) 
PY  - 1979///
CY  - New Delhi-16 : 
PB  - Arnold-Heinemann Publishers Pvt. Ltd. , 
ER  -