• Bange, G. G. J. (1953). On the qualitative explanation of stomatal transpiration. Acta bot. néerl., 2, 255.
  • Bennet-Clark, T. A. (1959). Water relations of cells. In: Plant Physiology, a Treatise, Vol. II (Ed. by F. C. Steward), pp. 105191. New York.
  • Desai, M. C. (1937). Effect of certain nutrient deficiencies on stomatal behaviour. Pl. Physiol., Lancaster, 12, 253.
  • Heath, O. V. S. (1959). The water relations of stomatal cells and the mechanism of stomatal movement. In: Plant Physiology, a Treatise. Vol. II (Ed. by F. C. Steward), pp. 193250. New York.
  • Huber, B. (1927). Zur Methodik der Transpirationsbestimmung am Standort. Ber. dt. bot. Ges., 38, 288.
  • Iljin, W. S. (1930). Der Einfluss des Welkens auf den Ab- und Aufbau der Stärke in der Pflanze. Planta, 10, 170.
  • Iljin, W. S. (1967). Drought resistance in plants and physiological processes. A. Rev. Pl. Physiol., 8, 257.
  • Ketellapper, H. J. (1963). Stomatal physiology. A. Rev. Pl. Physiol., 14, 249.
  • Magness, J. R., Regeimlal, L. O. & Degman, E. S. (1933). Accumulation of carbohydrates in apple foliage, bark and wood as influenced by moisture supply. Proc. Am. Soc. hort. Sci., 29, 246.
  • Sampson, J. (1961). A method of replicating dry or moist surfaces for examination by light microscopy. Nature, 191, 932.
  • Shimshi, D. (1967). Leaf chlorosis and stomatal aperture. New Phytol., 66, 455.
  • Shimshi, D. (1970). The effect of nitrogen supply on the transpiration and stomatal behaviour of beans (Phaseolus vulgaris L.). New Phytol., 69, 405.
  • Shimshi, D. & Livne, A. (1967). The estimation of the osmotic potential of plant sap by refractometry and conductimetry: a field method. Ann. Bot., 31, 505.
  • Spoehr, H. A. & Milner, H. W. (1939). Starch dissolution and amylolytic activity in leaves. Proc. Am. phil. Soc., 81, 37.
  • Stålfelt, M. G. (1932). Die Stomatäre Regulator in der pflanzlichen Transpiration. Planta, 17, 22.
  • Stålfelt, M. G. (1963). Die abhängigkeit des osmotischen Potentials des Stomatazellen. Protoplasma, 57, 719.
  • Stålfelt, M. G. (1966). The role of epidermal cells in the stomatal movements. Physiologia Pl., 19, 241.
  • Stocker, O. (1960). Physiological and morphological changes in plants due to water deficiency. Arid Zone, 15, 63.
  • Weatherley, P. E. (1950). Studies in the water relations of the cotton plant. I. The field measurement of water deficits in leaves. New Phytol., 42, 81.
  • Yemm, E. W. & Willis, A. J. (1954). Stomatal movements and changes of carbohydrates in leaves of Chrysanthemum maximum. New Phytol., 53, 373.
  • Zwicker, R. (1965). A report on the problem of water economy of oat plants and of regulating transpiration with varying amounts of nitrogen. In: Water Stress in Plants (Ed. by B. Slavík), pp. 282289. The Hague .