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Data Communications And TeleProcessing Systems Book Housley Prentice-Hall Inc$15.08
Vintage 1979 Data Communications And Teleprocessing Systems Trevor Housley Book$17.02
Teleprocessing Products Model 1 Multirate CSU/DSU with Instruction Manual$11.25
Data Communications and Teleprocessing Systems by Housley 2nd Edition 1987 Rare$20.00
Teleprocessing Network Organization James Martin Hardcover 1977 Prentice-Hall$15.00As an eBay Partner, userbars.org may earn a commission from qualifying purchases.