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|a Stamper, David A .
|
| 245 |
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|a Essentials of data communications /
|c David A Stamper.
|h Textual Documents
|
| 260 |
|
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|a California :
|b Addison Wesley ,
|c 1997.
|
| 300 |
|
|
|a NULL ;
|c NULL.
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| 541 |
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|e 01238
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