by A.A. Albanese | .
by David M. Greenberg | .
by J.B. Harborne | T. Swain.
by J.F. Woessner | F. Huijing.
by Rodolfo Paoletti | David Kritchevsky.
by Ward Pigman | .
by Fred Shafizadeh | .
by N. Campbell | J. R. Sargent.
by James R. Harris | .
by Anthony P. Pugsley | .
by Ryo Sato | Tsuneo Omura.
by Herbert Weissobach | Sidney Pestka.
by James B. Heneghan | .
by Gurdev S. Khush | .
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