00429nam a2200133Ia 4500003000400000008004100004020001400045040000800059100001800067245010000085260005800185300001300243440003900256LDD181029s9999    xx            000 0 und d  a780304284  cLDD  aBoucher, J.R. 0aTraffic system design handbookbtimesaving telecommunication traffic tables and pcJ.R. Boucher  aNew YorkbThe Institute of Electrical Engineersc1993  axv,179p.  aTelecommunications handbook series