TY  - JOUR
PY  - 1987//
TI  - The usable field of vision and its variation in a field situation
JO  - Zeitschrift fur Experimentelle und Angewandte Psychologie
A1  - Cohen, Alex S.
SP  - 17
EP  - 37
VL  - 34
IS  - 1
N2  - Abstract unavailable.
LA  - 
SN  - 0044-2712
UR  - http://dx.doi.org/
ID  - ref1
ER  -