Lazăr, L., L. Boicenco, V. Coatu, A. Oros, D. Țigănuș, and M.-E. Mihailov. “Nutrient Levels and Eutrophication of the Romanian Black Sea Waters (2006-2011) - Assessment Related to the Marine Strategy Framework Directive Implementation”. Cercetări Marine - Recherches Marines, vol. 43, no. 1, Dec. 2013, pp. 162-73, doi:10.55268/CM.2013.43.162.