NILSSEN, Jens Petter, and Svein Birger WÆRVÅGEN. 2003. “Ecological Distribution of Pelagic Copepods and Species Relationship to Acidification, Liming and Natural Recovery in a Boreal Area”. Journal of Limnology 62 (1):97-114. https://doi.org/10.4081/jlimnol.2003.97.