Information telecommunications :
Heldman, Robert K.
Information telecommunications : networks, products, & services / Robert K. Heldman. - New York : McGraw-Hill, 1994. - xiv, 393 p. : ill. ; 24 cm.
Includes index.
0070280401
93008259
Telecommunication--Social aspects.
Information networks--Social aspects.
Information science--Social aspects.
HE 7631 / .H45 1994
384
Information telecommunications : networks, products, & services / Robert K. Heldman. - New York : McGraw-Hill, 1994. - xiv, 393 p. : ill. ; 24 cm.
Includes index.
0070280401
93008259
Telecommunication--Social aspects.
Information networks--Social aspects.
Information science--Social aspects.
HE 7631 / .H45 1994
384