1. Sonic techniques for measuring texture of fruits and vegetables;Abbott;Food Technol,1968
2. The maturation of wine grapes;Amerine;Wines and Vines,1956
3. Some aspects of vibratory fruit harvesting;Fridley;Agric. Engr,1960
4. An objective evaluation of changes in firmness of ripening bananas using a sonic technique;Finney;J. Food Sci,1967