TY  - BOOK
AU  - Pande,H.D.
AU  - Singh,S.N.
AU  - Lal,R.N.
TI  - A textbook of mechanics / 
SN  - 8187336765
U1  - 530 PAN S 
PY  - 2000///
CY  - New Dellhi : 
PB  - Dominant Publishers and Distributors, 
KW  - Kepler's Law of planetary motion
KW  - Stable and unstable equilibrium
ER  -