Torssell, B. W. R., authorNatural Resource Ecology Laboratory, Colorado State University, publisher2007-01-032007-01-031975http://hdl.handle.net/10217/15949March 1975.On cover: Grassland Biome, Ecosystem analysis studies, U.S. International Biological Program.born digitaltechnical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Plant competitionEuropean, American, and Australian approaches to the study of plant competitionText