TY  - BOOK
AU  - Welch,Robert B,b.1941
TI  - Perceptual modification: adapting to altered sensory environments 
SN  - 0127418504
PY  - 1978///
CY  - New York
PB  - Academic Press
KW  - Perception
KW  - Perceptual
KW  - Motor learning
KW  - Optical illusions
N1  - Includes indexes
ER  -