000 00269nam a2200109Ia 4500
008 220201s1989 xx 000 0 eng d
100 _aCARISTI (ANTHONY J)
245 0 _aELECTRONIC TELEPHONE PROJECTS
250 _a2ND
260 _bBPB PUBLICATIONS
_c1989
942 _2ddc
999 _c96352
_d96352