000 00283nam a2200121Ia 4500
001 9834
008 150525s9999 xx 000 0 und d
020 _a3-8009-4008-6
100 _aLang Johannes
245 _aThe Electric Field
250 _a0
260 _aGermany
_bHeyden & Son
_c1974
999 _c42492
_d42492