1. Strontium and barium in plants and soils
2. Strontium and Bone
3. Strontium biokemiske og toksikologiske forhold;Ciausen J;Näringsforskning,1983
4. Acute toxicity of zirconium, columbium, strontium, lanthanum, cesium, tantalum and yttrium;Cochran KW;Arch Ind Hyg Occup Med,1950
5. The toxicity of strontium and calcium;Cole VV;J Pharmacol Exp Ther,1941