TY  - RPRT
TI  - The "silent substitution" method in visual research.
AU  - O Estévez
AU  - H Spekreijse
PY  - 1982
DO  - 10.1016/0042-6989(82)90104-3
UR  - https://pubmed.ncbi.nlm.nih.gov/7112962/
ID  - 7112962
ER  -