1. Reflectance spectra of surface defects for apples;Aneshanley,1997
2. Anonymous, 2001. Commission Regulation (EC) No. 1619/2001 of 6 August 2001 laying down the marketing standard for apples and pears. Official Journal L 215, 09/08/2001, 0003-0016.
3. Chicken heart disease characterization by multi-spectral imaging;Chao;Appl. Eng. Agric.,2001
4. Analyse Statistique à Plusieurs Variables;Dagnelie,1986
5. A spectrophotometric method for detecting surface bruises on “Golden Delicious” apples;Geoola;J. Agric. Eng. Res.,1994