References
- Anstensrud , M. 1984 . “ Habitatvalg og livshistorie hos en marin, parasittisk copepode, Lernaeenicus sprattae (Sowerby, 1806) (Copepoda, Penellidae) ” . In Unpubl. cando real. thesis , 117 – 117 . Univ. Oslo . Norway
- Arentz , W.E. 1972 . Über das Auftreten des parasitischen Copepoden Lernaeocera branchialis in der Kieler Bucht und seine Bedeutung als biologische Markierung. . Arch.Fish Wiss. , 23 : 118 – 127 .
- Bakken , E. 1973 . Sprat in Norwegian waters, a short review of biology, fishery and current research . Coun. Meet. Int. Coun. Explor Sea , : 1 – 13 . (Mimeo)
- Creutzenberg , F. 1975 . “ Orientation in space: Animals, invertebrates ” . In Marine ecology 2, Physiological mechanisms , 2 Edited by: Kinne , O. 555 – 655 . London : John Wiley & Sons .
- Ellingsen , E. 1974 . Brisling i Oslofjordomradet.En oversikt over biologi og okonomisk betydning . Fisken og havet, Ser. B , : 1 – 15 .
- Fonselius , S.H. 1962 . Hydrography of the Baltic deep basins . Rep. Fishery Bd Swed., Ser. Hydrogr. , 13 : 1 – 40 .
- Gade , H.G. 1963 . Some hydrographic observations of the inner Oslofjord during 1959 . Hvalrad. Skr. , 46 : 1 – 62 .
- Hernroth , L. and Ackefors , H. 1979 . The zooplankton of the Baltic proper . Report Fish. Bd Sweden, Inst. Mar. Res. , 2 : 1 – 60 .
- Oorde-de , Lint , Van , G.M. and Schuurmans Stekhoven , J.H. 1936 . Copepoda parasitica . Tierwelt N.-u. Ostesee , 31 : 73 – 197 .
- Opsahl , M. 1980 . “ Dyreplankton innsamlet med en ny 5-delt. overflatehav i og utenfor Sandspollen (Oslofjorden) gjennom ett ar. ” . In Unpubl. cando real. thesis , 108 pp – 108 pp . Univ.Oslo . Norway
- Parmanne , R. and Sjoblom , W. 1981 . Sprat off the coast of Finland in 1980 and 1981 . Annls biol., Copenh. , 38 : 163 – 166 .
- Poulsen , E.M. 1950 . Brislingefiskeriet og brislingebestanden i de danske farvande . Beretn. Minist. Landbr. Fisk. dan. biol. Stn , 52 : 1 – 26 .
- Prahm , G. 1973 . Hydrographic conditions of the Western Baltic in 1973 . Annls biol. Copenh. , 30 : 47 – 48 .
- Schram , T.A. 1979 . The life history of the eye-maggot of the sprat, Lernaeenicus sprattae (Sowerby) (Copepoda, Lernaeoceridae) . Sarsia , 64 : 279 – 316 .
- Schram , T.A. , Svelle , M. and Opsahl , M. 1981 . A new divided neuston sampler in two modifications: description, tests, and biological results . Sarsia , 66 : 273 – 282 .