“ Evaluation of the Capacity of Phosphorus Fixation by the Soil through the Isotopic Exchange, using15P32 ”. Anais da Escola Superior de Agricultura Luiz de Queiroz 21 (dezembro 31, 1963): 230–237. Acessado maio 4, 2024. https://revistas.usp.br/aesalq/article/view/38759.