Rimcheska, B., and Y. Vidinova. “New Records of Metreletus Balcanicus (Ulmer, 1920) (Ephemeroptera: Ameletidae) from Republic of Macedonia”. Journal of the Entomological Research Society, Vol. 20, no. 3, Nov. 2018, pp. 123-7, http://www.entomol.org/journal/index.php/JERS/article/view/1486.