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. 1957 Oct 15;43(10):923–927. doi: 10.1073/pnas.43.10.923
A SEMIGRAPHICAL METHOD FOR THE ANALYSIS OF COMPLEX PROBLEMS
Edgar Anderson
1,*
Edgar Anderson
1HENRY SHAW SCHOOL OF BOTANY, WASHINGTON UNIVERSITY, AND MISSOURI BOTANICAL GARDEN, ST. LOUIS, MISSOURI
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1HENRY SHAW SCHOOL OF BOTANY, WASHINGTON UNIVERSITY, AND MISSOURI BOTANICAL GARDEN, ST. LOUIS, MISSOURI
*
I am indebted to the Guggenheim Foundation and to Princeton University for fellowships which made it possible to explore the possibilities.
PMCID: PMC528552 PMID: 16590110