%0 Generic %D Submitted %A Goumenaki, E. %A Fernandez, I. G. %A Papanikolaou, A. %A Papadopoulou, D. %A Askianakis, C. %A Kouvarakis, G. %A Barnes, J. %K af(st)y %K air-pollution %K aot40 %K critical flux versus exposure %K exposure indexes %K gas-exchange %K lettuce %K plants %K protect vegetation %K responses %K spring wheat %K standard %K stomatal conductance %K white clover %G eng %0 Generic %D 2007 %T Derivation of ozone flux-yield relationships for lettuce: a key horticultural crop. %A Goumenaki, E. %A Fernandez, I. G. %A Papanikolaou, A. %A Papadopoulou, D. %A Askianakis, C. %A Kouvarakis, G. %A Barnes, J. %B Environmental Pollution %V 146 %P 699-706 %G eng