000 00258nam a2200121Ia 4500
082 _a530 KHA
100 _aKHANNA, D.R.
110 _aGULATI, M.R.
245 _aCOLLEGE PRACTICAL PHYSICS
260 _bR Chand & Co.
_c1995
300 _a535
942 _2ddc
_cB
999 _c53374
_d53374