1. American National Standards Institute, Standard S1. 1–1960, Acoustical terminology, 1960.
2. Masking: Why restrict it to the threshold level=;Meyer;J. Acoust Soc. Amer.,1959
3. Partial masking;Scharf;Acoustica,1964
4. Researches in acoustics;Mayer;Philos. Mag.,1894
5. The auditory masking of one pure tone by another and its probable relation to the dynamics of the inner ear;Wegel;Physiol. Rev.,1924