000 00337nam a2200121Ia 45e0
008 181001s1948 xx 000 0 und d
100 _aSkilling H.H.
245 0 _aFundamental of electric waves
250 _a1948
260 _bJohn willey
_c1948
300 _a243
942 _2ddc
_cBK
999 _c106
_d106