Penner, M J Forward and backward masking in the presence of a continuous noise floor. [electronic resource] - The Journal of the Acoustical Society of America Jul 1976 - 269-70 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0001-4966 Standard No.: 10.1121/1.381082 doi Subjects--Topical Terms: Auditory ThresholdHumansNoisePerceptual Masking