000 00278nam a2200121Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aHARNAM SINGH
245 0 _aPRACTICAL PHYSICS
260 _bS.CHAND, NEW DELHI
_c2004
300 _a105
650 _aMANAGEMENT
942 _cBK
999 _c19260
_d19260