Normalvy
MARC-vy
Optical illusions. (Topical Term)
Machine generated authority record.
Work cat.: (IES)0: Wick, Walter, 1953- 12155, Walter Wick's optical tricks., c1998.
Machine generated authority record.
Work cat.: (IES)0: Wick, Walter, 1953- 12155, Walter Wick's optical tricks., c1998.