Telecommunications update
Subtitle: course manual.
Contributors: Helein, Charles H.; Federal Publications Inc.
Publisher: Federal Publications
Published: 1986
Place of publication: [Washington, D.C.] (1120 20th St., NW, Washington 20036)
Language: eng
Subjects: Telephone -- Law and legislation -- United States.
Notes: Includes bibliographical references.
Prepared by Henry M. Rivera and Charles H. Helein.