1. Modification of the Willard-Winter method for fluorine determination;Armstrong;J. Am. Chem. Soc.,1933
2. The effect of feeding sodium fluoride and rock phosphate on bone development in swine;Bethke;Proc. Am. Boc. Animal Prod.,1929
3. Spectroseopic determination of fluorine in bones, teeth and other organs in relation to fluorine in drinking water;Boissevain;Jour. Dent. Res.,1933
4. Ueber die ablagerung von fluorverbindungen im organiamus nach Fütterung mit Fluornatrium;Brandl;Ztschr. f. Biol.,1891
5. Recherche du fluor dans les os moderne et les os fossiles;Carnot;Compt. Rend.,1892