000 00304nam a2200133Ia 4500
008 240913s9999||||xx |||||||||||||| ||und||
082 _aGS 530 ARO/P
100 _aC.L Arora
245 0 _aB.Sc Physics
250 _aNULL
260 _bS Chand and Co
_aNew Delhi
_c1998
300 _a359p
942 _cBKS
999 _c6903
_d6903