Zuidema, P A quanta coincidence model for absolute threshold vision incorporating deviations from Ricco's law. [electronic resource] - Vision research 1978 - 1685-9 p. digital Publication Type: Journal Article ISSN: 0042-6989 Standard No.: 10.1016/0042-6989(78)90262-6 doi Subjects--Topical Terms: Models, BiologicalPhotic StimulationPhotometryRetina--physiologyVision, Ocular--physiology