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D. Stewart
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A Platform with Six Degrees of Freedom
D. Stewart, D. Stewart, 1965 .
Report on 1941 tests of U.S.200× 215, U.S.215X216, and other varieties arising in leafapot-resistanoe breeding investigations of the U.S. Department of Agriculture.
D. Stewart, S. B. Nuckols, J. G. Lill, 1943 .