Instinctive behavior : the development of a modern concept - Kuenen, Donald Johan, 1912-1995; Lashley, Karl Spencer, 1890-1958; Lorenz, Konrad, 1903-1989; Schiller, Claire H.; Schiller, Paul H.; Tinbergen, Niko, 1907-1988; Von Uexküll, Jakob Johann, 1864-1944 (New York : International Universities Press, 1957)