Drupal-Biblio17<style face="normal" font="default" size="100%">On the use of Apiformes and Spheciformes (Insecta: Hymenoptera) populations as a management tool</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Application of indicator kriging to the complementary use of bioindicators at three trophic levels.</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Application of indicator kriging to the complementary use of bioindicators at three trophic levels.</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Higher plants as bioindicators of sulphur dioxide emissions in urban environments.</style>