000 00234nam a22001097a 4500
008 120629b xxu||||| |||| 00| 0 eng d
050 _aQC31
_b.N37 1991
100 _aNARAYANA
245 _aPHYSICS
300 _a19CM
942 _2ddc
_cBK
999 _c64603
_d64603