UIA Publication Nr: 257Year: 1984ISBN/ISSN: 3-598-00679-9 (Vol 1); 3-598-00680-2 (Vol 2); 3-598-00681-0 (Vol 3); 3-598-00682-9 (Vol 4)Editor/Author: Union of International Associations (Ed)Publisher: KG Saur Verlag24th edition, 4 volumes