000 00305nam a2200133Ia 4500
100 _aLoomis, Mary E S
020 _a0-13-196469-0
654 _aComputer Science
942 _cBK
245 _aData communications
260 _aPrentice-Hall, New Jersey
_cc1983
082 _a001.64 Loo
300 _axi,212
999 _c26236
_d26236