000 00397nam a2200133Ia 4500
008 210311s9999 xx 000 0 und d
020 _a9780470264201
100 _aHelszajn
245 4 _aThe Stripline Circulators: Theory and Practice
260 _bIEEE
650 _a"Fields, Waves and Electromagnetics"
856 _uhttps://ieeexplore.ieee.org/servlet/opac?bknumber=5236481
942 _cEBOOK
999 _c41045
_d41045