@misc{indiciae7af31e92f2c4, title = {On the relation between summation and facilitation.}, author = {D G Pelli}, year = {1987}, doi = {10.1016/0042-6989(87)90148-9}, url = {https://pubmed.ncbi.nlm.nih.gov/3617542/}, note = {Source identifier: 3617542} }