by Curds , C R | .
by Gould , G W And Corry J E L | .
by Herbert , R A | .
by Kushner , D J | .
by Rose , A H | .
by Malek , I | .
by A.A. Moscona | .
by G.A. Kerkut | .
by William H. Fishman | .
by Richard M. Lerner | Graham B. Spanier.
by A. Macfaclyen | E.D. Ford.
by M. Begon | .
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