Эскобар А. Г., Зельтманн Р., Броадбент К., and Робинсон П. “Upgrading of a Lead-Fluorspar Ore by Flotation: Effects of Ore Characteristics and Kinetics of Flotation: DOI: 10.47765/0869-5997-2021-10013”. Ores and Metals, no. 2, Sept. 2021, https://rm.tsnigri.ru/index.php/main/article/view/143.