1. Environmental pollution by fluorides in Flathead National Forest and Glacier National Park;Carlson;US Department of Agriculture Forest Service Northern Regional Report,1971
2. The relationship of an insect infestation on lodgepole pine to fluorides emitted from a nearby plant in Montana;Carlson;US Department of Agriculture Forest Service Northern Regional Report,1974
3. Observations on fluoride pollution due to emissions from an aluminium plant in Trentino;Colombini;Fluoride,1969
4. The determination of fluoride in vegetation: A review of modern techniques;Cooke;Environmental Pollution,1976
5. The accumulation of fluoride by invertebrates and its effect on some aspects of their biology;Davies,1989