Lazăr, Luminița, Laura Boicenco, Valentina Coatu, Andra Oros, Daniela Țigănuș, and Maria-Emanuela 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 43, no. 1 (December 20, 2013): 162–173. Accessed April 30, 2025. https://www.marine-research-journal.org/index.php/cmrm/article/view/115.