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Prairie plants and their environment : a fifty-year study in the Midwest
Weaver, John E.
Bok Engelsk 1968
Plant ecology
Weaver, John E.
Bok Språk ikke angitt 1938
Plant competition : an analysis of community functions
by Frederic E. Clements, John E. Weaver a...
Bok Engelsk 1929
Root development of field crops
by John E. Weaver
Bok Engelsk 1926