K. A. Pyefinch, M. A., F.R.S.E. frehwater Fisheries Laboratory, Pitlochry; Departement of agriculture and fisheries for scotland Inglês
Extrat from Fisheries of Scotland report for 1962 (cmnd. 2022)
Departement of agriculture and fisheries for scotland : Scotland, 1962
16 p. : il.; 25 cm