000 00300nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a537
082 _b5355 I
100 _aEaterson M
245 0 _aMicrowave Tubes in syste
260 _aUSA
260 _bW.S
260 _c1984
300 _a171
999 _c25089
_d25089