1. Nondestructive dynamic force/deformation measurement of kiwifruit firmness;Abbott;Trans. Am. Soc. Agric. Eng.,1996
2. Fruit development and fruit physiology;Beever,1990
3. Nondestructive spectrometric determination of dry matter in onions;Birth;J. Am. Soc. Hort. Sci.,1985
4. Cho, R.K., Lee, K.H., Iwamoto, M., 1992. Determination of firmness of intact apple fruits by near infrared reflectance spectroscopy. In: Talyor, R.A (Ed.), Proc. 6th Int. Diffuse Reflect. Spectr. Conf. Counc. for Near IR Spectr., Chambersburg, PA., pp. 71–76.
5. Non-destructive measurement of kiwifruit firmness;Davie;New Zealand J. Crop Hortic. Sci.,1996