1. Reichard, D. and Ozkan, H. and Fox, R. (1991) Nozzle wear rates and test procedure Transaction of the ASAE, 34(6), pp. 2309 - 2316.
2. Ganzelmeier, H. and Rietz, S.(1998). Inspection of Plant Protection Equipment in Europe. International Conference on Agricultural Engineering . In [ pp. 597 - 598] . . Part 2
3. Rice, B.(1993). The Contribution of a Sprayer Testing Service to Safer, More Effective Spraying. International Symposium on Pesticides Application Techniques, 2 Strasbourg. In [ pp. 505 - 512] . .
4. Endrizzi, T. (1990) Indispensabili per le irroratrici manutenzioni e controlli più accurati L'informatore Agrario, 24, pp. 37 - 38.
5. Biocca, M. and Vannucci, D.(2000). Organization and Criteria of Inspection of Sprayers in Italy. International Conference on Agricultural Engineering; Paper no 00-PM-058 . In [ pp. 4] . .