TY  - BOOK
AU  - Ayer,A.J.
TI  - The foundations of empirical knowledge
SN  - 0333005724
U1  - 121 
PY  - 1940/// [Reprinted 1971]
CY  - London
PB  - Macmillan
KW  - Knowledge, Theory of
KW  - Perception
N1  - Includes bibliographical footnotes and index
ER  -