01542nam a2200385 a 4500007075284MiAaHDL20250726000000.0m d cr bn ---auaua910515s1990 xxua b 000 0 eng d 90062180 18781080421878108018(MiU)990070752840106381sdr-miu.990070752840106381sdr-coo1881935sdr-pst.a1397650(MiU)MIU01000000000000007075284-goog(OCoLC)22511591LIAS1562066(MiU)Aleph007075284PStWaOLNUtOrBLWTK5102.5.T397 1990Telecommunications transmission engineering /technical personnel, Bellcore and Bell Operating Companies.3rd ed.Piscataway, N.J. :Bellcore,c1990.3 v. :ill. ;24 cmtexttxtrdacontentcomputercrdamediaonline resourcecrrdacarrierIncludes bibliographical references and index.v. 1. Principles -- v. 2. Facilities -- v. 3. Networks and services.Mode of access: Internet.Telecommunication.http://id.loc.gov/authorities/subjects/sh85133270Bell Telephone Laboratories.http://id.loc.gov/authorities/names/n79093275http://id.loc.gov/rwo/agents/n79093275Bell Communications Research, Inc.http://id.loc.gov/authorities/names/n86125259http://id.loc.gov/rwo/agents/n8612525939076001016752v.100707528420241218032624.020250726000000.020260226165640.02026-02-27T09:54:19Z2024-09-10T17:30:02ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990070752840106381MiUSDRUMDB007075284mdp.39076001016752MIUv.1990070752840106381MIUUMDB20260227googlemdp.39076001016752v.11990icbibUS bib date1 >= 1931MIUUMDB20260226googlemdp.39076001016760v.21990icbibUS bib date1 >= 1931MIUUMDB20260226googlemdp.39076001016778v.31990icbibUS bib date1 >= 1931COOCOO20130803googlecoo.31924060207119v.11990icbibUS bib date1 >= 1931COOCOO20130803googlecoo.31924060207127v.21990icbibUS bib date1 >= 1931COOCOO20130803googlecoo.31924060207135v.31990icbibUS bib date1 >= 1931PSTPST20260110googlepst.000018044638v.11990icbibUS bib date1 >= 1931PSTPST20250419googlepst.000018044577v.21990icbibUS bib date1 >= 1931PSTPST20250418googlepst.000018044515v.31990icbibUS bib date1 >= 1931