1. Decree 660/88, D.R. I Série No. 227, 4004, 30/9/88.
2. A. Miellet, Ann. Fals. Expert. Chim., 75 (1982) 369.
3. Codex Committee for Pesticide Residues (CCPR), Maximum Limits for Pesticide Residues, Food and Agriculture Organization, Rome, Italy, 1987.
4. Decree 488/90, D.R. I Série No. 148, 2751–2754, 29/6/90.
5. S. Illes, R. Mestres, J. Tourte, M. Campo and A. Illes, Ann. Fals. Exp. Chim., 69 (1976) 209.