"An annotated checklist by genus and species of 93 species level names for51 recognized species of small strongyles (Nematoda : Strongyloidea : Cyathostominea) of horses, asses and zebras of the world" (vol 79, pg 65, 1998)
Jr. Lichtenfels et al., "An annotated checklist by genus and species of 93 species level names for51 recognized species of small strongyles (Nematoda : Strongyloidea : Cyathostominea) of horses, asses and zebras of the world" (vol 79, pg 65, 1998), VET PARASIT, 84(1-2), 1999, pp. 137-138