Mineralogical and Petrographic Peculiarities of Malignites of the Pokrovo-Kyriyivo Massif (Azov Sea Area, Ukraine) - S. H. Kryvdik; V. O. Hatsenko; Ye. S. Lunov; O. A. Vyshnevskyi; L. I. Kanunikova (Mineralogical journal, 2016)