000 00286nam a2200121 a 4500
003 EIA
001 5727
942 _02
_2ddc
_cBK
245 _aAlternating current engineering :
_bpractically treated
260 _c1907
008 141112s1907 ck r 000 u spa d
082 _a537.63
_bR268
999 _c484
_d484