1. The pesticide situation;U. S. Department of Agriculture,1971
2. Cholinesterase inhibition by organophosphorus compounds and its clinical effects;Namba;Bull. WHO,1971
3. Chlorthion—Ein neues, wenig giftiges Insektizid aus der Reihe der Thiophosphorsäureester;Schrader;Angew. Chem,1954
4. Clinical handbook on economic poisons;Hayes,1963
5. O-2-chloro-4-nitrophenyl O,O-dimethyl thiophosphate;Fletcher,1953