1. Biology of the Arctic Charr: 1984 University of Manitoba Press M.A. Ali M.A. Klyne G. Einarsson L. Johnson B. Burns Ecophysiological adaptations of the retina in the Arctic charr. 251 261
2. The phytoplankton
3. Stock Assessment in Inland Fisheries 1996 Fishing News Books Blackwell Scientific Publications C.W. Bean I.J. Winfield J.M. Fletcher I.G. Cowx Stock assessment of the Arctic charr ( Salvelinus alpinus ) population in Loch Ness UK 206 223
4. Optimal foraging, the marginal value theorem
5. Design of a sonar for fish counting;Craig R.E.;Fiskeriderektoratets Skrifter,1969