http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cognitive and motivational aspects of instruction
XXIInd International Congress of Psychology, Leipzig, GDR, July 6-12, 1980 : selected revised papers
International Congress of Psychology 1980 : Leipzig, Germany)
edited by Robert Glaser and Joachim Lompscher.