000 00313nam a2200133Ia 4500
008 220201s1987 xx 000 0 eng d
082 _a657.2
_bTReference I
100 _aTripathi,B.K.
245 0 _aLekha Vidhi
250 _a1st
260 _bKalyani Publishers
_aLudhiana
_c1987
300 _a4/103
942 _2ddc
999 _c8510
_d8510