http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the Finnish-Bulgarian Symposium, organized by the Academy of Finland, the Coordinative Research Group for Science of Science and the University of Tampere : May 14-15, 1984 Tampere
edited by Erkki Kaukonen and Veronica Stolte-Heiskanen.