Assertion: gestalt principle | /r/HasProperty | developed by köhler
Facets:
value: further
type: DEGREE
Source sentences:
text: The Gestalt principles were introduced in a seminal paper by Wertheimer (1923/1938), and were further developed by Köhler (1929), Koffka (1935), and Metzger (1936/2006; see review by Todorović, 2007).