ШнюковC.Є., Осипенко, В.Ю. and Никанорова, Ю.Є. 2017. Fenite halos of geological-geochemical features of Proskurivka and Chernigivka’s alkaline-ultramafic massifs of Ukrainian shield. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology". 45 (Mar. 2017), 100-112.