United States Government Publishing Office publisher pbl distributor dst United States Government Printing Office Superintendent of Documents author aut Government Organization MacGilvray, Marian W. author aut text government publication eng GOVPUB Legislative Agency Publications legislative 2016-04-20 Government Printing Office 1991-02-01 monographic converted reformatted digital 42 digital object pages GP 3.2:El 2 https://www.govinfo.gov/app/details/GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49 P0b002ee18f3e0ad5 000347962 (OCoLC)23189192 DGPO 2016-04-20 2026-07-07 GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49 machine generated eng fdlp GP3 GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49 6d48e73e20dff36bfec15b968463aa49 GOVPUB Federal Depository Library Program This document is a work of the United States Government and is not subject to copyright pursuant to 17 USC 105. thumbnails/GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49.jpg Federal Depository Library Program electronic 1991-02-01 https://www.govinfo.gov/app/details/GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49 https://www.govinfo.gov/content/pkg/GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49/pdf/GOVPUB-GP3-6d48e73e20dff36bfec15b968463aa49.pdf A Study Computer bulletin boards Electronic mail systems United States Federal Depository Library Program. 556-C MacGilvray, Marian W. creator Paskoski, Joseph P. Walters, John M. United States Superintendent of Documents. Library Programs Service. dcu Washington, D.C Library Programs Service, U.S. G.P.O. 1991-02-01 monographic

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iv, 33 p. ; 28 cm. GP 3.2:El 2 556-C text bibliography eng written by Marian W. MacGilvray, Joseph P. Paskoski, John M. Walters. "February 1, 1991." Shipping list no.: 91-191-P. Includes bibliographical references (p. 13). n-us--- Federal Depository Library Program. Computer bulletin boards Electronic mail systems United States http://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=556-C&SYS=000347962 a study a study