TY  - RPRT
TI  - Backward and forward masking as a function of stimulus and task parameters.
AU  - B Scharf
AU  - L A Lefton
PY  - 1970
DO  - 10.1037/h0029075
UR  - https://pubmed.ncbi.nlm.nih.gov/5480929/
ID  - 5480929
ER  -