Martin, James
Telecommunication and the computer - 2nd ed. - Englewood Cliffs Prentice Hall 1976 - xviii, 670p. : ill.
0139024948
621.39:004 / M3
Telecommunication and the computer - 2nd ed. - Englewood Cliffs Prentice Hall 1976 - xviii, 670p. : ill.
0139024948
621.39:004 / M3