1. Salvador Nogues and Neil R Baker, Effect of drought on photosynthesis in Mediterranean plants grown under enhanced UV-B radiation, Journal of Experimental Botany,Vol.51,No.348,pp.1309-1317,July 2000.
2. Lewis N. Mills, Lee Hunt, Calum P. Leckie, The effects of manipulating phospholipase C on guard cell ABA-signalling, Journal of Experimental Botany, Vol. 55, No. 395, Crosstalk in Plant Signal Transduction Special Issue, pp. 199±204, January 2004, DOI: 10.1093/jxb/erh027 Advanced Access publication 12 December, 2003
3. Spreer , Wolfram, Zbigniew Czaczyk , Martin Hegele , Water use and drought stress in greenhouse split-root lychee, Tropentag 2005, Stuttgart-Hohenheim, October 11-13, 2005, Confer mentence on International Agricultural Research for Develop.
4. J.I. Burke, J.M. Finnan, A. Donnelly and M.B. Jones, The Effects of Elevated Concentrations of Carbon Dioxide and Ozone on Potato ( SolanumtuberosumL.) Yield, ISBN 1 84170 208 0, May 2001
5. A. Verhoef, The effect of temperature differences between porometer head and leaf surface on stomatal conductance measurements, Plant, Cell and Environment(1997) 20,641-646.