TY  - BOOK
AU  - Census of India, 1991
TI  - Economic tables:  Vol. 3, Table B-19 (F), B-21 (F), Pt. III B-B series   
U1  - Y:5.212sN91, N7.12 
PY  - 1991///
CY  - Kerala
PB  - Govt. Press         
ER  -