1. 1) Swaine, D.J.; Fluorine, "The trace-element content of fertilizers", pp.102-131, Commonwealth Agricultural Bureaux, England (1962)
2. 2) McLanghlin, M.J., Tiller, K.G., Naidu, R. and Stevens, D.P.: Review: the behaviour and environmental impact of contaminants in fertilizers. Aust. J. Soil Res., 34, 1-54 (1996)
3. 3) Cronin, S.J., Manoharan, V., Hedly, M.J. and Loganathan, P.: Fluoride: a review of its fate, bioavailability and risks of fluorosis in grazed-pasture systems in New Zealand. New Zealand Journal of Agricultural Research, 43, 295-321 (2000).
4. 4) Loganathan, P., Hedley, M.J., Wallace, G.C. and Roberts, A.H.C.: Fluoride accumulation in pasture forages and soils following long-term applications of phosphorus fertilizers. Environmental Pollution, 115, 275-282 (2001)
5. 5) Mishima, S. and Kohyama, K.: The database and the methodologies to estimate recent trend of nitrogen (N) and phosphate (P) flows and residual N and P in Japanese national prefectural scales and examples their application. Bull. Natl. Inst. Agro-Environ. Sci, 27, 117-139 (2010) (in Japanese with English abstract)