000 00282nam a2200109Ia 45e0
008 181001s1951 xx 000 0 und d
100 _aBreageale W.M Quarles
245 0 _aLines networks and filters
260 _bI.T. co. G.
_c1951
300 _a293
942 _2ddc
_cBK
999 _c1424
_d1424