000 00339nam a2200121Ia 4500
008 211209s1987 xx 000 0 und d
041 _aeng
082 _a621.382 N87 TOW
100 _aTOWNSEND, CARL
245 _aPRACTICAL DIGITAL AND DATA COMMUNICATION WITH LSI APPLICATIONS
260 _aNEW JERSEY
_bPRENTICE HALL
_c1987
300 _a246
999 _c25124
_d25124