00386nam a2200145Ia 450000100060000000800410000602000180004704000130006508200190007810000230009724500520012026000500017230000110022254600070023319380140407s9999    xx            000 0 und d  a0-13-724360-X  cPK-LaUMT  a 005.71bPAN-B  aRaymond . R. Panko  aBusiness data CommunicationcRaymond . R. Panko  aUpper Saddle River,USA:bPrentice Hall,c1997  a555 p.  aEN