TY  - BOOK
ED  - Nichollas, John M
TI  - Images, perception and knowledge : papers deriving fropm and related to the philospohy of science workshop at Ontaria, Canada May 1974
U1  - 153.4 
PY  - 1979///
CY  - Dordcrecht- Holland 
PB  - D.Redial Publishing 
ER  -