000 00285nam a2200109Ia 4500
008 170711s9999 xx 000 0 und d
050 _a621.395 T631d
100 _a"Widmer, Neal S."
245 0 _aDigital systems: principles and applications
260 _c2007
942 _2lcc
_cBK
_kCirc.
999 _c19705
_d19705