TY  - BOOK
AU  - Somarfeld, Arnold.
AU  - Seth, Jagadvihar.
TI  - Yantriki | यांत्रिकी
U1  - 511 
PY  - 1962///
CY  - Uttar Pradesh 
PB  - Hindi Samiti  
KW  - principles of mathematics
KW  - Mechanics
ER  -