Drupal-Biblio17<style face="normal" font="default" size="100%">UV-band and acid rain effects on beach ( Fagus sylvatica L.) and holm oak ( Quercus ilex L.) leaves</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Trichome density and its UV-B protective potential are affected by shading and leaf position on the canopy</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Trichome density and its UV-B protective potential are affected by shading and leaf position on the canopy</style>