000 00315nam a2200133Ia 4500
008 221001s1987 xx 000 0 eng d
082 _a657.45 VAR (H)
100 _aVarshney, P. K.
245 0 _aAnkekshan
250 _a4th ed.
260 _aDelhi
_bShree Mahavir Book
_c1987
300 _a416p.
942 _2ddc
_cBK
999 _c16806
_d16806