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Reimer, L.W., C. Berger, B. Heuer, H. Lainka, I. Rosenthal & I. Scharnweber. (1971). O rasprostranenii lichinok gel'mentov v planktonnykh zhivotnykh Severnogo morya. On the distribution of larvae of helminths in plankton animals of the North Sea. Parazitologiya, Leningrad 5:542-550, figs. 1-5, tabs. 1-2. (Russian with English summary).
Reimer, L.W., C. Berger, B. Heuer, H. Lainka, I. Rosenthal & I. Scharnweber. (1971). O rasprostranenii lichinok gel'mentov v planktonnykh zhivotnykh Severnogo morya. On the distribution of larvae of helminths in plankton animals of the North Sea. Parazitologiya, Leningrad 5:542-550, figs. 1-5, tabs. 1-2. (Russian with English summary).