TY  - BOOK
AU  - Census of India,1961
TI  - Tables on the Calcutta industrial region .West Bengal and Sikkim V 16, Pt.10 A
U1  - Y:5.275sN61, K1.16-10A 
PY  - 1961///
CY  - West Bebgal & Sikkim 
PB  - Bebgal & Sikkim Govt. Press      
ER  -