http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the plants and ecology of the world's semi-arid regions
Plants and ecology of the world's semi-arid regions
The Central Asian steppe -- The Central North American steppe -- The Intermountain North American steppe -- The Patagonian steppe -- The South African steppe.
Denver Botanic Gardens, Michael Bone, Dan Johnson, Panayoti Kelaidis, Mike Kintgen, and Larry G. Vickerman.
Includes bibliographical references and index.