000 00328nam a2200133Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a600
_bYAD
100 _aYadav , M S.
245 0 _aObjective science
260 _aNew Delhi :
_bAnmol Publication,
_c1998.
365 _a50.00
650 _aPhysical Sciences
999 _c7370
_d7370