| Avaa | Gresswell, Robert E. toim. Barton, Bruce A. toim. Kershner, Jeffery L. toim.
| Practical approaches to Riparian Resource Management : an Educational Workshop, May 8-11, 1989 Billings, Montana | | kirja | hydrologia, kokoukset, konferenssit, limnologia | U. S. Department of the Interior Bureau of Land Management | Washington, D.C. | 1989 | 193 | 0-913235-61-X | | | H-Limnologia, isokokoiset |