by James N. Thompson | .
by J.Herbert Taylor | .
by James N.Thompson | .
by Robert Plutchik | .
by Michael Brenner | .
by Joachim F. Wohlwill | .
by Hayne W.Reese | .
by Hayne W. Reese | .
by Heinz Heckhausen | Heinz-Dieter Schmalt Klaus Schneider.
by Lewis P. Lipsitt | .
by Lewis P.Lipsitt | .
by Robert A. Zucker | .
by Marsha B.Liss | .
by Dwain N. Walcher | .
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