Örstan A. (2003). "The rediscovery of Zonites algirus in İstanbul, Turkey (Gastropoda: Pulmonata: Zonitidae)". Zoology in the Middle East29: 75-78. Summary at "I collected at this station with my friend Teri Varnali". Archived from the original on July 20, 2008. Retrieved August 26, 2008.
Örstan A. (2003). "The rediscovery of Zonites algirus in İstanbul, Turkey (Gastropoda: Pulmonata: Zonitidae)". Zoology in the Middle East29: 75-78. Summary at "I collected at this station with my friend Teri Varnali". Archived from the original on July 20, 2008. Retrieved August 26, 2008.