http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
contribution of nonnative tree species to the structure and composition of forests in the conterminous United States in comparison with tropical islands in the Pacific and Caribbean
International Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)
1 online resource (81 pages) : color illustrations, color maps.
"Published by the Southern Research Station for the International Institute of Tropical Forestry."
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (pages 43-46).