1. Advisory Committee on Pesticides (ACP)., 1997. Unit to unit variation of pesticide residues in fruit and vegetables (York, UK: Advisory Committee on Pesticides, PSD).
2. Effect of household processing and unit to unit variability of azoxystrobin, acrinathrin and kresoxim methyl residues in zucchini;Aguilera;Food Control,2012
3. Contribution of sampling to the variability of pesticide residue data;Ambru;J. AOAC Int,2004
4. The influence of sampling methods and other field techniques on the results of residue analysis. Pesticide Residues;Ambrus,1979
5. Ambrus, A., 1995. Residues of chlorpyrifos-methyl in apples at intervals following a single application of Reldan 50 (EF 917), Report Dow Elanco R95–143.