Sampaio, Ivan Barbosa Machado. “Decoding the Results of the Ridge Trace Method for Nonorthogonal Linear Models into Practical Predicting Coefficients”. Pesquisa Agropecuaria Brasileira, vol. 11, no. 5, Apr. 2014, pp. 57-63, doi:10.1590/S1678-3921.pab1976.v11.16892.