000 00283nam a2200121Ia 4500
001 122230
008 170722s9999 xx 000 0 und d
100 _aClark, De And
245 _aElectronic radio and micro wave phusics /
260 _c1961.
700 _aMead , Hj
942 _cGEN
999 _c57693
_d57693