TY  - BOOK
AU  - Kettelkamp,Larry
TI  - Tricks of eye and mind: the story of optical illusion
SN  - 0688218296
AV  - QP495 .K47
U1  - 612/.84 
PY  - 1974///
CY  - New York
PB  - Morrow
KW  - Optical illusions
KW  - Juvenile literature
N2  - Describes various kinds of optical illusions, experiments concerning them, and their use in art and design
UR  - http://www.archive.org/details/tricksofeyeminds00kett
UR  - http://www.openlibrary.org/books/OL5045721M
ER  -