http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Deanna Kuhn [and others] ; with commentary by Sheldon H. White, David Klahr and Sharon M. Carver, and a reply by the authors.
Monographs of the Society for Research in Child Development ; v. 60, no. 4