TY  - BOOK
AU  - Blckwell H R
TI  - Psychophysical thresholds: experimental studies of methods of measurement
U1  - 152.825 
PY  - 1953///
CY  - Ann Arbor
PB  - Univ of Michigan
KW  - Psychophysical thresholds
KW  - Psychophysics
ER  -