00343nam a2200133Ia 4500003000400000008004100004020002300045040000800068100002100076245006000097260002400157300001500181365001300196LDD181029s9999    xx            000 0 und d  a70709645cUS87.50  cLDD  aWINCH, Robert G. 0aTelecommunication transmission systemscRobert G. WINCH  aNew YorkbMGHc1993  axii, 541p.  bUS87.50