http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Illustrated glossary of periglacial phenomena
Illustrated glossary of periglacial phenomena [par] Louis-Edmond Hamelin [et] Frank A. Cook.
Universite Laval. Centre d'etudes nordiques. Travaux et documents ; 4