000 00230nam a2200109Ia 4500
100 _aKHANNA, D.R.
110 _aGULATI, M.R.
245 _aCOLLEGE PRACTICAL PHYSICS
260 _bR. CHAND
_c1995
300 _a526
942 _2ddc
_cBB
999 _c73990
_d73990