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Announcements |
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| Authors: | W. Mortensen O. Vahl |
| Affiliation: | Institute of Biology and Geology, University of Tromsø, P.O. Box 790, 9001 Tromsø, Norway |
| Abstract: | A system which controls the amount of rations fed and the length of the feeding periods independently in each of six simultaneous experiments is described with circuit diagrams. |
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