一般注記"Electronic Mail - connecting personal computers and terminals in offices and laboratories across the hall and around the world."
Distributed to depository libraries in microfiche
"March 1988."
Physical description for original version: 19 p. ; 28 cm
原資料等に関する注記原資料の出版事項: Bethesda, Md. : Computer Center Branch, Division of Computer Research and Technology, National Institutes of Health, [1988]
SUPTDOC番号: HE 20.3002: En 8/3
GPO管理番号: 507 (microfiche)