by Romeo T.Toledo | .
by John M.Deman | .
by G. Haug | H. Hoffmann.
by Dora Godan | .
by Jose A. Campos-Ortega | Volker Hertenstein.
by J. M. G . Pieri | .
by Rajinder Peshin | .
by J . Kranz | .
by Heiko Diestel | .
by B.A.Stewart | .
by B. Rensch | .
by Johannes Piiper | .
by Miles H. A. Keenleyside | .
by K. Slama | .
by J. H. Schroder | .
by Edward A. Birge | .
by Arthur E. Needham | .
by Karl Esser | Rudolf Kuenen.
by Myron C. Ledbetter | Keith R. Porter.
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