Schiefer, H. B. (1997). Understanding toxicology chemicals, their benefit and risksH. Bruno Schiefer, Donald G. Irvine, Shirley C. Buzik. CRC.
Chicago-viite (17. p.)Schiefer, H. Bruno. Understanding Toxicology Chemicals, Their Benefit and RisksH. Bruno Schiefer, Donald G. Irvine, Shirley C. Buzik. CRC, 1997.
MLA-viite (8. p.)Schiefer, H. Bruno. Understanding Toxicology Chemicals, Their Benefit and RisksH. Bruno Schiefer, Donald G. Irvine, Shirley C. Buzik. CRC, 1997.
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