| Citation | Nicholas, K.R. and C.L.J. Frid 1999 Occurrence of hydromedusae in the plankton off Northumberland (western central North Sea) and the role of planktonic predators. Journal of the Marine Biological Association of the United Kingdom 79:979-992. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 3050 |
| Language | English |
| Usage | used in part |
| Remarks | |
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