000 00329nam a2200145Ia 4500
020 _a0000000000
082 _bT-190
_a001.642
100 _a"TOCCI RONALD"
245 0 _aDIGITAL SYSTEM
260 _bPRENTICE HALL
_aUSA
_c1991
300 _a765
944 _cTB
999 _c396972
_d396972