1.		The construction of sectoral environmental pressure indicators: the case of tourism / Mara Camarrota, Carmine Pappalardo Autor: Cammarrota, Mara Coautor: ; Pappalardo, Carmine
2.		The construction of sectoral environment pressure indicators: the case of tourism / Mara Cammarrota, Carmine Pappalardo Autor: Cammarrota, Mara Coautor: ; Pappalardo, Carmine
3.		Joint interim report of the SIP tourism project / Mara Cammarrota, Cesare Costantino and Ingegerd Fãngstrõm Autor: Cammarrota, Mara Coautor: ; Costantino, Cesare Fãngstrõm, Ingegerd