00729nam a2200217Ia 4500003000600000005001700006008004100023020001800064040002500082082002200107100002400129245006300153250001800216260003400234300002500268500003000293942001200323942001200335952014700347999001700494NORSU20240515235310.0240215s9999    xx            000 0 und d  a971-8613-53-6  aNORSU-DumcNORSU-Dum  a621.38456 B48t C2  aBigelow, Stephen J. 0aUnderstanding Telephone ElectronicscBy Stephen J. Bigelow  aThird Edition  bTexas Instruments, Inc.c1984  av, 367 pages, 22 cm.  aincludes glossary & index  cBK2ddc  2ddccBK  00102ddc4070aNORSU-DumbNORSU-DumcCIRCd2024-02-15i17624l0oCirc. 621.38456 B48t C2pNORSU000024562r2024-02-15tCopy 2w2024-02-15yBK  c21150d21150