000 00256nam a2200121Ia 4500
100 _aBlume L F
245 _aTransformer Engineering
250 _a2
260 _c1965
_bJOHN WICH & SONS
_aNew York
300 _aix+500
700 _aBoyajian A
942 _cBK
999 _c4163
_d4163