00401nam a2200121Ia 4500008004100000082002100041100002100062245003300083250000600116260005100122300000600173650010000179150614s9999    xx            000 0 und d  a005.71  HIL-B  R  aShelly B. Gray    aBusiness Data Communications  a0  bBoyd and Fraser Publishing Co. Ltd., USAc1995  a0  aBusiness Data Communications Shelly B. Gray  and others,THOMAS J. CASHMAN,JUDY A. HILL COMPUTER