000 00341nam a22001337a 4500
999 _c4434
_d4434
008 200207b ||||| |||| 00| 0 eng d
082 _a668.9
_bSHA
100 _aSharma & sharma
245 _aTeaching of Science
260 _aDelhi
_bHanpat RAi & Sons
_c1972
300 _aP.320
_bPB
365 _aRS
_b9/-
942 _cCB