000 00293nam a2200121Ia 4500
008 160710s1944 xx 000 0 und d
082 _a512.88 MAS
100 _aMASING,G.
245 _aTERNARY SYSTEMS
260 _aNEW YORK'
_bDOVER PULICATIONS, INC.
_c1944
300 _a173
942 _2ddc
_cB
999 _c25079
_d25079