00428nam a2200169Ia 4500 7298 140321s9999 xx 000 0 und d 1-57820-002-4 PK-LaUMT 004.67 UNP- Margulies, Edwin, Ed. The UnPBX : The complete guide to the new breed of communica Margulies, Edwin, Ed. 1997 var p. EN BK 8750 8750 0 0 ddc 0 0 01 01 2014-06-03 0 CS_ARC 004.67 UNP- 8325 2014-06-03 00:00:00 2014-06-03 BK