000 00261nam a2200109Ia 4500
008 160710s1990 xx 000 0 und d
100 _aBUCHANAN
245 _aCOSMOS /TTL DIGITAL SYSTEMS DESIGN
260 _bMCGRAW HILL
_c1990
300 _a258
942 _2ddc
_cB
999 _c49009
_d49009