(1972). Appraisal of fishing waters and their fish populations. Food and Agriculture Organisation: Rome. 50 pp., more
(1972). Report on the first meeting of the eifac working party on economic and technical appraisal of different types of fish culture. Food and Agriculture Organisation: Rome. , more
(1973). Report of the seventh session of the european inland fisheries advisory commission. Food and Agriculture Organisation: Rome. 76 pp., more
Berka, R. (1972). A review of feeding equipment in fish culture. Food and Agriculture Organisation: Rome. 32 pp., more
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy