000 00304nam a2200109Ia 45e0
008 181001s1971 xx 000 0 und d
100 _aAgrawala B.K.
245 0 _aElectricity and Electronics
260 _aAgra
_bSahitya Bhawan
_c1971
300 _a452
942 _2ddc
_cBK
999 _c1610
_d1610