Spilker, J.J..
Digital Communications by Satellite / Spilker J.J.. - Englewood Cliffs, N.J. : Prentice-Hall, 1977. - XIV,672 s.; 24 cm.
Digital Communications by Satellite / Spilker J.J.. - Englewood Cliffs, N.J. : Prentice-Hall, 1977. - XIV,672 s.; 24 cm.