The age of electronic messages /
Truxal, John G.
The age of electronic messages / John G. Truxal. - New York : McGraw Hill, c1990. - xi, 487 p. : ill. ; 23 cm. - New liberal arts series .
Includes index.
0070653194
Telecommunication.
Electronics.
The age of electronic messages / John G. Truxal. - New York : McGraw Hill, c1990. - xi, 487 p. : ill. ; 23 cm. - New liberal arts series .
Includes index.
0070653194
Telecommunication.
Electronics.