| Avaa | Ryder, R. A. toim. Edwards, C. J. toim.
| A Conseptual Approach for the Application of Biological Indicators of Ecosystem Quality in the Great Lake Basin : A Joint Effort of the International Joint Commission and the Great Lakes Fishery Commission | | kirja | biologia, järvi - järvet, limnologia, vesiekosysteemit | Great Lakes Science Advisory Board | Windsor, Ontario | 1985 | xxxix+169 | | | | H-Limnologia, isokokoiset |