000 00266nam a2200121Ia 4500
008 211209s1978 xx 000 0 und d
041 _aeng
082 _a621.3813 N78 RIC
100 _aRICH, H J
245 _aMICROWAVE PRINCIPLES
260 _c1978
300 _a428
999 _c11153
_d11153