TY  - JOUR
PY  - 1969//
TI  - The effect of a central task on luminance thresholds for peripherally presented stimuli
JO  - Human factors
A1  - Appelle, S.
A1  - Leibowitz, H. W.
SP  - 387
EP  - 392
VL  - 11
IS  - 4
N2  - Abstract unavailable.
LA  - 
SN  - 0018-7208
UR  - http://dx.doi.org/
ID  - ref1
ER  -