by F.C. Pielou | .
by R. Lal | .
by Gary W. Barrett | R. Rosenberg.
by A.W.A. Brown | .
by A.S.A.C. Chaudler | Clark P. Read.
by Thomas C. Cheng | .
by E.C. Pielou | .
by William G. Cochran & Getrude M. Cox | .
by D.A.S. Fraser | .
by Paul A. Herzberg | .
by Norman L. Johnson | Fred C. Leone.
by William G. Cochran | .
by Marcus Franda | .
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