000 00262nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bKUL
100 _aKulshrestha,S.P
245 0 _aPhysical Science
260 _bR.Lall book
_c--
300 _a492
942 _cBD
999 _c4009
_d4009