Cover Image

Telephone-letter mail competition : a first look /

Bibliographic Details
Main Author: McLaughlin, John F.
Format: Book
Language:English
Published: Cambridge, Mass. : Harvard University, Program on Information Resources Policy, [1979]
Series:Working paper (Harvard University. Program on Information Resources Policy) ; W-79-4.
Subjects:
Postal service > United States.
Telephone > United States.
Telecommunication.
Description
Physical Description:117 pages : illustrations ; 28 cm.