1. I. M. FABBRO, H. MURASE, and L. J. SEGERLIND, 1980 . Strain failure of apple, pear, and potato tissue. Paper No. 80-3048. Am. Soc. Agr. Eng. St. Joseph, MI.
2. J. G. BAERDEMAEKER, L. J. SEGERLIND, H. MURASE, and G. E. MERVA, 1978 . Water potential effect on tensile and compressive failure stresses of apple and potato tissue. Paper No. 78-3057. Am. Soc. Agr. Eng., St. Joseph, MI.