Cavazza, L., A. Guarieri, A. Patruno, E. Cirillo, and C. Caprara. “EVALUATION OF CRUSTING APTITUDE ON SIEVED SOILS. ANEWAPPARATUS”. Journal of Agricultural Engineering, vol. 39, no. 1, Mar. 2008, pp. 25-31, doi:10.4081/jae.2008.1.25.