Não informado. (1972). Finnish Fisheries Research. Finnish Game and Fisheries Research Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Finnish Fisheries Research. Helsinki: Finnish Game and Fisheries Research Institute, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Finnish Fisheries Research. Finnish Game and Fisheries Research Institute, 1972.
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