R. W. Kieper

Attenuation characteristics of fit-compromised earmuffs and various non-standard hearing protectors

E. Berger, Laurie Wells, R. W. Kieper, 2013 .

Hearing protection: surpassing the limits to attenuation imposed by the bone-conduction pathways.

Dan Gauger, Elliott H Berger, E. Berger, 2003, The Journal of the Acoustical Society of America.

Development of a new standard laboratory protocol for estimating the field attenuation of hearing protection devices. Part III. The validity of using subject-fit data.

J R Franks, L H Royster, E H Berger, 1998, The Journal of the Acoustical Society of America.

Development of a new standard laboratory protocol for estimating the field attenuation of hearing protection devices. Part I. Research of Working Group 11, Accredited Standards Committee S12, Noise

Larry H. Royster, Julia Doswell Royster, Elliott H. Berger, 1996 .