Triad optical illusions and how to design them with 32 plates to color
Turner, Harry
Triad optical illusions and how to design them with 32 plates to color - - New York Dover Pub., 1978 - 30 p. 28 cm - .
0-486-23549-14
Optical illusions
Triads (Philosophy)
7.017 Tur
Triad optical illusions and how to design them with 32 plates to color - - New York Dover Pub., 1978 - 30 p. 28 cm - .
0-486-23549-14
Optical illusions
Triads (Philosophy)
7.017 Tur