1Cretien van Campen. Early Abstract Art and Experimental Gestalt Psychology. LEONARDO, Vol. 30, No. 2, 1997, p133.
2Geert-Jan Boudewijnse. Gestalt theory and Bauhaus - A Correspondence.Gestalt Theory, 2012. Vol. 34, No.1. p87.
3Cretien van Campen. Early Abstract Art and Experimental Gestalt Psychology. LEONARDO, Vol. 30, No. 2, 1997, p134.
4Cretien van Campen. Early Abstract Art and Experimental Gestalt Psychology. LEONARDO, Vol. 30, No. 2, 1997, p134-135.
5Cretien van Campen. Early Abstract Art and Experimental Gestalt Psychology. LEONARDO, Vol. 30, No. 2, 1997, p135.
6Roy R Behrens, Art, Design and Gestalt Theory, LEONARDO, Vol. 31, No. 4, pp. 299- 303, 1998, p301.
7Geert-Jan Boudewijnse. Gestalt theory and Bauhaus - A Correspondence.Gestalt Theory, 2012. Vol. 34, No.1. p82.
8Geert-Jan Boudewijnse. Gestalt theory and Bauhaus - A Correspondence.Gestalt Theory, 2012. Vol.34, No.1. p87.
9William s. Huff. Defining Basic Design as a Discipline. Symmetry:Art and Science,Volume 2 (new series), numbers 1-4, 2002, p91.
10Klaus Krippendor. Designing In Ulm and Off Ulm. Annenberg School for Communication Departmental Papers (ASC) University of Pennsylvania Year 2008, p57.
