Vsevolod Olenich(interesting), Alexander Cherinko(important), Alexander Cherinko(interesting), Oleg Sheremet(interesting), Dmytro Petrychenko(interesting), Irina Ortik(interesting), Oleksandr Kovalchuk(interesting), Vasil Bodnar(interesting), Vitalii Kazannyk(important), Vitalii Kazannyk(interesting)