| Type |  Book |
| ชื่อเรื่อง | IEEE standard for information technology-- : X.400-based electronic messaging--application program interface (API) [language independent] / sponsor, Portable Applications Standards Committee of the IEEE Computer Society |
| ISBN | 1559373091 |
| พิมพลักษณ์ | New York : Institute of Electrical and Electronics Engineering, c1993 |
| รูปเล่ม | 206 p. : ill |
| หัวเรื่อง | Application software |
| | OSI (Computer network standard) |
| | Electronic mail systems standards |
| | X.400 directory standard (Telecommunication) |