Fransz, H.G., Gonzalez, S.R., Steeneken, S.F. 1998.
Metazoan plankton and the structure of the plankton community in the stratified North Sea.
Marine Ecology Progress Series 175: 191-200.
Klein-Breteler, W.C.M., Fransz, H.G., Gonzalez, S.R. 1982.
Growth and development of four calanoid copepod species under experimental and natural conditions.
Netherlands Journal of Sea Research 16, 195-207.