TY  - BOOK
AU  - Census of India, 1961
TI  - General economic tables. ( tables B1 to B4). Kerala. V. 7, Part 2 B 1
U1  - Y:5.212sN61, K1.7-2B1 
PY  - 1961///
CY  - Kerala
PB  - Govt. Press         
ER  -