author: sötvattenslaboratoriet sweden

Meddelanden Från Statens Undersöknings- Och Försöksanstalt För Sörtavattensfisket

... control before tagging . In this case , too , both sexes were used . When ... 20-25 cm . The age has varied considerably according to fluctuations in year ... posters , letters and personal communications . During the season controllers ...

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