TY  - BOOK
AU  - Vijayalayam Jayakumar, 
TI  - Sciencente Purogathi-Indiayil
U1  - 500 
PY  - 1900///
CY  - Thiruvananthapuram
PB  - Kerala Granthasala
KW  - General Stack
KW  - Natural sciences & mathematics
KW  - India
KW  - Generalia
ER  -