TY  - BOOK
AU  - Crawther [j A], 
TI  - Practical Physics
U1  - 530 
PY  - 1900///
CY  - Kottayam
PB  - NATIONAL BOOKSTALL
KW  - General Stack
KW  - Natural science and mathematics
KW  - Physics
KW  - Generalia
ER  -