1. The structure and orientation of guard cells in plants showing stomatal responses to changing vapour pressure difference;Appleby;Annals of Botany,1983
2. Water absorption by the roots of Vicia faba at various transpiration strengths. I. Analysis of the uptake and the factors determining it;Brouwer;Proceedings Nederlandse Akademie van Wetenschappen (C),1953
3. Stomatal behaviour and environment;Cowan;Advances in Botanical Research,1977
4. Stomatal responses to humidity and the water potentials of epidermal and mesophyll tissue;Edwards;Journal of Experimental Botany,1978