http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ordination and classification of communities
388 pages, 1 unnumbered leaf of plates : illustrations ; 25 cm.
A companion volume to Classification of plant communities. First edition was published in 1973 as half of a combined work, Ordination and classification of communities. That title was pt. 5 of Handbook of vegetation science.