1. V. N. Azorov, Fundamentals of Microbiology and Sanitation [in Russian], Moscow (1986).
2. Ya. I. Aleksyuk and E. A. Sorokin, Khim. Vest., No. 3, 68–69 (1983).
3. I. T. Brokhnova, Toxicity of Metal Powders and Metal Compounds [in Russian], Kiev (1971).
4. V. I. Vashkov, Appliances and Methods of Sterilization Used in Medicine [in Russian], Moscow (1973).
5. D. F. Williams and R. Rouf, Implants in Surgery [Russian translation], Moscow (1978).