http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the XVth conference, Cieszyn, Poland, August 9-12, 1992
Conference on Applied Crystallography 1992 : Cieszyn, Poland)
edited by Henryk Morawiec & Danuta Stróz̊.