Matter descriptor : RESULTATS DES TRAVAUX DE GROUPE DE SPECIALISTES DE DIFFERENTES MATIERES 2 Metadatas Newsletter of the species survival commission IUCN - The world conservation union 1993/12-1994/06. Authors : Nelson, Karin. Timothy, Sullivan. Newsletter of the species survival commission IUCN - The world conservation union - 34. 2000. Authors : Klemens, Michael. Michelle, Black.