Duplissea, D C Effect of houselight conditions on masking of angularity-stimulus control. [electronic resource] - Perceptual and motor skills Feb 1972 - 55-8 p. digital Publication Type: Journal Article ISSN: 0031-5125 Standard No.: 10.2466/pms.1972.34.1.55 doi Subjects--Topical Terms: AnimalsAttentionColor PerceptionColumbidaeDiscrimination LearningGeneralization, PsychologicalLightingOrientationPerceptual MaskingReinforcement Schedule