Iren, S. 1970 [A study on the species of Septobasidium and scale insects on apple and pear in Tirebolu (Turkey) and the relations between them.]. Tarim Bakanligi, Zirai Mucadele ve Zirai Karantina Genel Mudurlugu, Ankara 21 pp.

Notes: Scale species mentioned are Epidiaspis leperii and Quadraspidiotus perniciosus.