TY  - BOOK
AU  - Harnad, Stevan  .
TI  - Categorical perception : the groundwork of cognition / 
SN  - 0-521-26758-7
U1  - S:4 
PY  - 1987///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - Psycology
ER  -