Schwan, T. (1996). "Ticks and Borrelia: model systems for investigating pathogen-arthropod interactions". Infective Agents and Diseases. 5 (3): 167–181. PMID8805079.
Sonenshine, Daniel E.; Nicholson, William L. (2002). "Tick-borne relapsing fever". Medical and Veterinary Entomology. Archived from the original on 2019-06-21. Retrieved 2019-06-21.
Valli, V.E.O.; Wood, R.D. (2016). "African swine fever". Pathology of Domestic Animals. 3. Jubb, Kennedy & Palmer. Archived from the original on 2019-06-21. Retrieved 2019-06-21.
Sonenshine, Daniel E.; Nicholson, William L. (2002). "Tick-borne relapsing fever". Medical and Veterinary Entomology. Archived from the original on 2019-06-21. Retrieved 2019-06-21.
Valli, V.E.O.; Wood, R.D. (2016). "African swine fever". Pathology of Domestic Animals. 3. Jubb, Kennedy & Palmer. Archived from the original on 2019-06-21. Retrieved 2019-06-21.