000 00298nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a029.7
_bDHA
100 _aDhawan, K.S.
245 0 _aMultimedia Library
260 _aNew Delhi
_bCommon Wealth Publication
_c1997
300 _a229
942 _2ddc
999 _c27158
_d27158