000 00325nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
020 _a8189301055
082 _a531
_bSIN/P
100 _aSINGH N.M
245 0 _aPHYSICAL SCIENCE
250 _a1st Ed.
260 _bDanika Publishing Company New Delhi
_a
_c2008
942 _cBK
999 _c11109
_d11109