Template:Nigon & Dougherty, 1949a
- Nigon V. & Dougherty E.C., 1949. Reproductive patterns and attempts at reciprocal crossing of Rhabditis elegans maupas, 1900, and Rhabditis briggsae Dougherty and nigon, 1949 (Nematoda: Rhabditidae). JEZ-A Ecological and Integrative Physiology, Volume 112, Issue 3, December 1949, Pages 485–503, DOI: 10.1002/jez.1401120307.