January 1977 | NTIA Special Publication OT-SP-77-13
The Postal Crisis: The Postal Function as a Communications Device
Donald R. Ewing; Roger K. Salaman
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Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.