Novikoff, Andrew, 		Mitka, Józef, 		Kuzyarin, Alexander, 		Orlov, Oleg, AND 		Ragulina, Marina.
" Some notes on the genus Aconitum in Chornohora Mts." <em>Modern Phytomorphology</em> [Online], Volume 9 Number Suppl. (1 April 2016)