00618nam a2200205 a 450000100060000000300080000600500170001400800410003103500190007204000280009104100130011908200270013210000250015924500840018426000440026830000270031250000190033965000210035870000330037973264BD-RjUL20211209082353.0170529s1960    nyua          001 0 eng d  a(BD-RjUL)73482  aDLCcOClUdBD-RjULbeng1 aenghger  a621.3825223bROT 19601 aRossberg, Ehrhard A.10aTeleprinter switching /cby Ehrhard A. Rossberg and Helmut E. Korta. Seyringer]  aPrinceton, N.J. :bVan Nostrand,c1960.  a351p. :bill. ;c24cm.  aIncludes index 0aTeletypewriters.1 aKorta, Helmut E.,ejt. auth.