000 00259nam a2200109Ia 4500
008 231212s1980 xx 000 0 und d
041 _aeng
082 _a621.384131
100 _aSazanov D.M.
245 _aMicrowave Circuits
260 _aMascow
_bMir Pub
_c1980
999 _c958462
_d958462