United Nations Educational, Cultural and Scientific Organization, Paris, France

ICSTI (International Centre for Scientific and Technical Information) Moscow, Russian Federation
http://www.icsti.ru

The TUB (National Technical Information Centre and Library) Budapest, Hungary

Latvian Academic Library Riga, LATVIA

OPI (Information Processing Centre) Warsaw, Poland

Central Technological Library of the University of Ljubliana Ljubljana, Slovenia

University Library in Bratislava - National Library Centre Bratislava, Slovakia

Reference information about Bulgarian Internet sites:
http://www.gyuvetch.bg 

Bulgarian Ship Hydrodynamics Centre - Varna
http://www.bshc.bg 

Epostunion.com - HUB site
http://www.epostunion.com

Business Information Service Ltd. Information agency, specializing in promotion business connections between Russia and other countries. Manufacturers, importers and suppliers are invited to place their offers into our on-line Catalogue:
http://bis.adt.ru

Social Science Information Centre, Bonn, Germany