000 00330nam a22001337a 4500
008 151202b xxu||||| |||| 00| 0 eng d
020 _a: 8121925185
082 _223
_a600
_bSIN
100 _aSingh,Lakhmir.
245 _aScience & Technology /
_cLakhmir singh.
260 _bS.Chand & Com.
300 _a355 p. ;
942 _2ddc
_cBK
999 _c1988
_d1988