KRAVCHUK, G. O.; KRAVCHUK, O. P.; ZOLOTOREV, G. G.; ZOLOTOREV, M. G. Cadmium influence on benthic foraminifera of the Black sea shelf (Danube delta region). Man and Environment. Issues of Neoecology, n. 3-4(28), p. 50-56, 28 Dec. 2017.