Wong, Wucius. Principles of two-dimensional design / Wucius Wong. - New York ; Brisbane : John Wiley, c1972. - 77 p. : ill. ; 20 cm. ISBN: 0471289604 9780471289609 LCCN: 72001854 Subjects--Topical Terms: Design.Visual perception. Dewey Class. No.: 745.4 745.4