1. Early reflections in some modern concert halls;Cremer;J. Acoust. Soc. Amer.,1989
2. Fresnel's methods of calculating diffraction fields;Cremer;Acustica,1990
3. Attenuation of sound reflections from curved surfaces;Rindel,1985
4. Attenuation of sound reflections due to diffraction;Rindel,1986
5. Acoustic design of reflectors in auditoria;Rindel,1992