Field monoterpene emission of Mediterranean oak (Quercus ilex) in the central Iberian Peninsula measured by enclosure and micrometeorological techniques: observation of drought stress effect. - Plaza,J..; Nunez,L..; Pujadas,M..; Perrez-Pastor,R..; Bermejo,V..; Garcia-Alonso,S..; Elvira,S.. (Journal of Geophysical Research, 2005)