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International Considerations in PBX Design
Frisch, Howard D., Katz, Bryan S., Knight, James L.Volume:
72
Language:
english
Journal:
AT&T Technical Journal
DOI:
10.1002/j.1538-7305.1993.tb00527.x
Date:
March, 1993
File:
PDF, 1.87 MB
english, 1993