Home › Authors › Chirkov, I͡U. I. 👤 Chirkov, I͡U. I. 2 books Books by Chirkov, I͡U. I. Podzemnai͡a razrabotka moshchn Podzemnai͡a razrabotka moshchnykh zhelezorudnykh mestorozhdeniĭ 1985 Ėkonomicheskai͡a ot͡senka sist Ėkonomicheskai͡a ot͡senka sistem razrabotki zhelezorudnykh mestorozhdeniĭ 1968