Hicks, S. (1991). Airborne particles and gases, and their impact on the cultural heritage and its environment: Proceedings of the European workshops held at Ravello, European University Centre for the Cultural Heritage, December 12 - 13th 1989 and December 14 - 16th 1990. Council of Europe.
Chicago-Zitierstil (17. Ausg.)Hicks, Sheila. Airborne Particles and Gases, and Their Impact on the Cultural Heritage and Its Environment: Proceedings of the European Workshops Held at Ravello, European University Centre for the Cultural Heritage, December 12 - 13th 1989 and December 14 - 16th 1990. Strasbourg: Council of Europe, 1991.
MLA-Zitierstil (9. Ausg.)Hicks, Sheila. Airborne Particles and Gases, and Their Impact on the Cultural Heritage and Its Environment: Proceedings of the European Workshops Held at Ravello, European University Centre for the Cultural Heritage, December 12 - 13th 1989 and December 14 - 16th 1990. Council of Europe, 1991.