Feldman, Eliot (July 1995). "A reflection grating that nullifies the specular reflection: A cone of silence". J. Acoust. Soc. Am. 98 (1): 623–634. Bibcode:1995ASAJ...98..623F. doi:10.1121/1.413656.
Feldman, Eliot (July 1995). "A reflection grating that nullifies the specular reflection: A cone of silence". J. Acoust. Soc. Am. 98 (1): 623–634. Bibcode:1995ASAJ...98..623F. doi:10.1121/1.413656.