000 00317nam a2200121Ia 45e0
008 181001s1965 xx 000 0 und d
100 _aWheeler G.J.
245 0 _aIntroduction to microwaves
250 _a1965
260 _c1965
300 _a242
942 _2ddc
_cBK
999 _c250
_d250