000 00312nam a2200133Ia 4500
008 221001s1980 xx 000 0 eng d
082 _a657.45 VAR
100 _aVarashney, P. K.
245 0 _aAnkekshan
250 _a2nd ed.
260 _aDelhi
_bShree Mahavir Book
_c1980
300 _a429p.
942 _2ddc
_cBK
999 _c17520
_d17520