000 00265nam a2200121Ia 4500
100 _aReiger Heinz
020 _a3-8009-0000-0
942 _cBK
245 _aThe magnetic circuit
260 _aHeyden & Son, London
_c1978
082 _a621.38152 Rei
300 _app.69
999 _c16830
_d16830