Kinne, O.; Aurich, H. (Ed.) (1967). Vorträge und Diskussionen. Erstes Europäisches Symposion über Meeresbiologie = Papers and discussions. First European Symposium on Marine Biology = Rapports et discussions. Premier symposium européen sur biologie marine. European Marine Biology Symposia, 1. Helgoländer Wissenschaftliche Meeresuntersuchungen, 15(1-4). 669 pp., more
1. Two divers have been maintained satisfactorily at a depth of 10,7 m for a week by means of a cheap and simple underwater house.2. The house was unaffected by heavy seas, indicating that underwater houses can be used in exposed sites.3. A simple closed-circuit system of air purification was used for the first time in an underwater house.
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