“Soil Inhabiting Nematodes of the Genera Trischistoma, Tripylina and Tripyla from México and the USA With Descriptions of New Species”. Journal of Nematode Morphology and Systematics, vol. 13, no. 1, Nov. 2012, pp. J. Nematode Morphol. Syst., 13 (1): 29-49 (2010), https://revistaselectronicas.ujaen.es/index.php/jnms/article/view/786.