1. 1
    by Lewis, Geoffrey E.
    Published 1994
    Subjects ...Telecommunication Handbooks, manuals, etc....
    Book
  2. 2
    by Morgan, Walter L.
    Published 1989
    Subjects ...Artificial satellites in telecommunication Handbooks, manuals, etc....
    Book
  3. 3
    Published 1985
    Subjects
    Serial