http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
patterns, causes and ecosystem consequences
F. Stuart Chapin III and Christian Korner (eds.).
Based on papers from a workshop held in Kongsvold, Norway, Aug, 17-20, 1993.
Περιλαμβάνει βιβλιογραφικές παραπομπές και ευρετήριο.