Nelson WA, Bainborough AR (2004). "Development in Sheep of Resistance to the Ked Melophagus Ovinus (L.). III. Histopathology of Sheep Skin as a Clue to the Nature of Resistance". Journal of Experimental Parasitology. 13 (2): 118–127. doi:10.1016/0014-4894(63)90061-4. PMID13938065.
Nelson WA, Bainborough AR (2004). "Development in Sheep of Resistance to the Ked Melophagus Ovinus (L.). III. Histopathology of Sheep Skin as a Clue to the Nature of Resistance". Journal of Experimental Parasitology. 13 (2): 118–127. doi:10.1016/0014-4894(63)90061-4. PMID13938065.
McDermit S, Stephan A, Bennett A (2003). "Sheep Ked Melophagus ovinus". West Lafayette, IN, USA: Purdue University Animal Science Sheep Research and Education Center. Archived from the original on 2009-02-02. Retrieved 2009-02-03.
McDermit S, Stephan A, Bennett A (2003). "Sheep Ked Melophagus ovinus". West Lafayette, IN, USA: Purdue University Animal Science Sheep Research and Education Center. Archived from the original on 2009-02-02. Retrieved 2009-02-03.