1. Christensen, C.M. Food texture perception. Adv. Food Res. 29 (1984), 159–199.
2. Vincent, J.F.V. Structural Biomaterials. Basingstoke: Macmillan (1982).
3. Grote, M. and Fromme, H.G. Electron microscopic investigations of the cell structure in fresh and processed vegetables (carrots and green bean pods). Food Microstruct. 3 (1984), 55–64.
4. Ramana, S.V., Wright, C.J. and Taylor, A.J. Measurement of firmness in carrot tissue during cooking using dynamic, static and sensory tests. J. Sci. Food Agric. 60 (1992), 369–375.
5. Reeve, R.M. Histological survey of conditions influencing texture in potatoes. I. Effects of heat treatments on structure. Food Res.
19 (1954), 323–332.