prepared by the Regional Centre of the IFLA Core Programme FAC [i.e. PAC], Deutsche Bücherei Leipzig, GDR ; edited by Wolfgang Wächter ; under the supervision of Helmuth RötzschGeneral Information Programme and UNISIST : United Nations Educational, Scientific and Cultural Organization1989
全国の図書館
- 著者標目Wächter, Wolfgang Rötzsch, Helmuth IFLA Programme on Preservation and Conservation. Regional Centre