TY - JOUR L1 - http://journals.pan.pl/Content/99983/mainfile.pdf L2 - http://journals.pan.pl/Content/99983 PY - 2011 IS - Iss. 3 A1 - Nawrocka, Lidia A1 - Kobos, Justyna PB - Instytut Oceanologii PAN PB - Komitet BadaƄ Morza PAN VL - Vol. 53 T1 - 12. The trophic state of the Vistula Lagoon: an assessment based on selected biotic and abiotic parameters according to the Water Framework Directive: UR - http://journals.pan.pl/dlibra/publication/edition/99983 T2 - Oceanologia ER -