1. World Health Organization (WHO) Joint Meeting of the FAO Working Party of Experts on Pesticide Residues and the WHO Expert Committee on Pesticide Residues Rome Geneva, Switzerland 1974
2. Joint Meeting of the FAO Working Party of Experts on Pesticides and the WHO: Expert Committee on Pesticide Residues World Health Organization (WHO) Geneva, Switzerland 1977
3. Hydrolyse der insektiziden Phosphorsäureester;Schrader;Zeitschr. f. Naturforschung,1957