Tel.: 030/43671636 - D-Berlin Mobil: 0172/4367163 Fax: 030/43671637 E-mail: GM.Berlin@t-online.de
Kontakt in Bulgaria: Prof. Berberian-Datèv, Aram Hrant
K-s Wazrazjdane bl.41/5 ap.102 et.III BG-9009 Varna
Tel./Fax: 052/459652 E-mail: Arminius@abv.bg Web: https://liternet.bg/publish3/datev