http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xxv, 550 pages : color illustrations ; 28 cm.
Part I Life and the Physical Environment -- Part II Ecosystems -- Part III Organisms -- Part IV Populations -- Part V Species Interactions -- Part VI Communities -- Part VII Ecological Applications -- Appendix A International System of Units 517.