Interlaboratory Comparison and Analysis of Bidirectional Scattering Coefficients for Various SurfacesAnne Heimes, Densil Cabrera, Jonothan Holmes, Dagmar Reinhardt, Iremnur Tokac Celikyay, Sigrid Brell-Cokcan and Michael VorländerActa Acust., 10 (2026) 65DOI: https://doi.org/10.1051/aacus/2026060