000 00306nam a2200109Ia 4500
008 190914s9999||||xx |||||||||||||| ||und||
100 _aMarion Cole
245 0 _aIntroduction To Telecommuinications Voice Data and the Internet
260 _aNew Jersey
_bWorld Scientific
_c1987
300 _a2732
942 _cBK
999 _c8589
_d8589