The Online Books Page

Books by D. V. Glen:

Books in the extended shelves:

• Glen, D. V.: Guidelines to telecommunications interconnection requirements for message input to the USPS E-COM System (U.S. Dept. of Commerce, National Telecommunications and Information Administration, 1981), also by United States. National Telecommunications and Information Administration (page images at HathiTrust)
• Glen, D. V.: Need for telecommunication standards for interconnection with the U.S. Postal Service EMSS (U.S. Dept. of Commerce, National Telecommunications and Information Administration, 1981), also by R. E. Thompson and United States. National Telecommunications and Information Administration (page images at HathiTrust)
• Glen, D. V.: Use of magnetically encoded cards and digital transmission in the land mobile services (U.S. Office of Telecommunications, 1973), also by P. M. McManamon (page images at HathiTrust)

Find more by D. V. Glen at your library, or elsewhere.