Köhne, John M., José Alves Júnior, Sigrid Köhne, Bärbel Tiemeyer, Bernd Lennartz, and Jens Kruse. 2011. “DOUBLE-RING AND TENSION INFILTROMETER MEASUREMENTS OF HYDRAULIC CONDUCTIVITY AND MOBILE SOIL REGIONS”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 41 (3): 336-47. https://doi.org/10.5216/pat.v41i3.11376.