00266nam a2200109Ia 4500008004100000041001200041100001700053245005600070260000600126650000600132700001800138221030s9999    xx            000 0 und d  aEnglish  aR. E. Ziemer 0aSignal  and Systemscby R. E. Ziemer, W. H. Tranter  c0  aB  aW. H. Tranter