1. How to reduce apple bruising;Gaston,1951
2. Techniques for determination of mechanical properties of fruit and vegetables as related to design and development of harvesting and processing machinery;Mohsenin;J. agric. Engng Res.,1962
3. Some dynamic aspects of fruits impacting hard and soft materials;Hammerle;Trans. Am. Soc. agric. Engrs, St. Joseph, Mich.,1966
4. A method for evaluating cushioning materials used in mechanical harvesting and handling of fruits and vegetables;Bittner;Trans. Am. Soc. agric. Engrs, St. Joseph, Mich.,1967
5. Mechanical properties of peaches, pears, apricots and apples;Fridley;Trans. Am. Soc. agric. Engrs, St. Joseph, Mich.,1966