01057nam a2200313 a 4500 48220 48220 4841650 Nust 20170112144134.0 900607s1990 caua b 001 0 eng 90163662 0026808412 0026808420 DLC DLC n-us--- HE7775 .B53 1990 384 20 Blyth, W. John. Telecommunications : concepts, development, and management / W. John Blyth, Mary M. Blyth. 2nd ed. Mission Hills, Calif. : Glencoe/McGraw-Hill, c1990. 362 p. : ill. ; 25 cm. Includes bibliographical references and index. Telecommunication United States. Telecommunication Management. Blyth, Mary M. 7 cbc orignew 2 ncip 19 y-gencatlg ddc BK 0 0 ddc 0 0 NFIC CL CL GEN 2017-01-12 2 384 BLY S3H-N-1504 2022-03-18 2022-02-28 2017-01-12 BK 0 0 ddc 0 0 NFIC CL CL GEN 2017-01-12 2 384 BLY S3H-N-1505 2022-03-18 2022-02-28 2017-01-12 BK