Ayala, Alejandro, Jessé Román, and A. C. Tarjan. “Comparison of Four Methods for Isolating Nematodes from Soil Samples”. The Journal of Agriculture of the University of Puerto Rico 47, no. 4 (October 1, 1963): 219–225. Accessed April 19, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12957.