Leal, Marco A. de A., and Alberto de Figueiredo Penteado. “Efficiency of Nonparametric Methods for the Analysis of the Nodulation Capacity of a Leguminous Crop”. Pesquisa Agropecuaria Brasileira 29, no. 2 (February 1, 1994): 177–182. Accessed November 11, 2025. https://apct.sede.embrapa.br/pab/article/view/4042.