000 00373nam a2200157Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
040 _aMAIN
041 _aEnglish
082 _a530
_bSIN N4
100 _aHarnam Singh
245 0 _aB.Sc. practical physics
_cHarnam Singh
260 _aNew Delhi
_bS. Chand
_c1996
300 _axvi,498
650 _aPhysics
942 _cBK
999 _c12712
_d12712