TY  - BOOK
AU  - Mathur D S
AU  - Mathur D S
TI  - Mechanics
SN  - 0000000000 (pbk)
U1  - B7, L8;M1;1 
PY  - 1981///
CY  - New Delhi
PB  -  S Chand     
KW  -  Conservation law
KW  -  Harmonic oscillator
KW  -  Relativity
KW  - Vectors
ER  -