Introducing X.400 /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Manchester :
NCC Publications,
1989.
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| Subjects: |
| Item Description: | Includes index. Digital communication systems (BNB/PRECIS) |
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| Physical Description: | 147 p. : ill. ; 21 cm. |
| ISBN: | 0850126924 (pbk.) : |