References
- Nienhoff. H. J. 2006. Fresh fruit and vegetables production, Guideline. www. www.q-s.info
- Oetzel, K., S. Hubrich, L. Autermann and P.Juerschik. 2006. New GPS-based soulutions for automated process documentation and traceability. XVI CIGR world congress proceedings pp.385-386
- Stone, M. L., K. D. McKee, C. W. Formwalt and R. K. Benneweis. 1999. ISO 11783: An electronic communications protocol for agricultural equipment. Paper of presentation at the Agricultural Equipment Technology Conference