000 00254nam a22001097a 4500
082 _a621.38132 MIC
100 _aMATSUMOTO,AKIO
_974504
245 _aMICROWAVE FILTERS AND CIRCUITS
260 _aUSA
_bACADEMIC PRESS
_c1970
300 _a349P
942 _cBK
999 _c580026
_d580026