1993 - Principles of Communications Satellites (Hardcover) ISBN-13: 9780471557968 ISBN-10: 047155796X Genre: Substores ? 1988 - Business Earth Stations for Telecommunications (Hardcover) ISBN-13: 9780471635567 ISBN-10: 0471635561 Genres: Business & Money, Computers & Technology, Science & Math, Engineering & Transportation ? |