1. Official Methods of Analysis;AOAC,1980
2. Effects of fluoride on chlorophyll-a fluorescence in spinach;Boese;Environmental Pollution,1995
3. Effects on flowering and fruiting;Bonte,1982
4. Fluoride accumulation in foliage and fruit of wine grapes growing in the vicinity of heavy industry;Brewer;American Society of Horticulture,1957
5. The effects of hydrogen fluoride gas on seven citrus varieties;Brewer;American Society for Horticultural Science,1960