000 00428nam a2200121Ia 4500
008 230508s1987 xx 000 0 und d
050 _aQC 21 V36 1978
100 1 _aVan Valkenburgh, N.
245 1 0 _aBasic electricity vol. 4 /
_cVan Valkenburgh, N.
247 _aBasic electricity vol. 4_QC 21 V36 1978 v.4_Van Valkenburgh, N._1987
264 _a[Place of publication not identified] :
_bHayden Books,
_c1987.
942 _2lcc
_cBK
999 _c20576
_d20576