000 00294nam a2200121Ia 4500
008 221001s1971 xx 000 0 eng d
082 _a330 DWU
100 _aDwuvett, K. K.
245 0 _aAdhunik arthik siddhant
260 _aNew Delhi
_bS. Chand
_c1971
300 _axv, 1070p.
942 _2ddc
_cBK
999 _c1251
_d1251