@misc{indiciaedc4557553ede, title = {Exchange thresholds in dichromats.}, author = {W A Rushton and D S Powell and K D White}, year = {1973}, doi = {10.1016/0042-6989(73)90177-6}, url = {https://pubmed.ncbi.nlm.nih.gov/4543496/}, note = {Source identifier: 4543496} }