Preface

I. Characterization and distribution of airborne particles

a) Biogenic Origin
Emission and Distribution of Mugwort Pollen (P.G. Von Wahl)
Large and Small Scale Distribution of Pollen in the Boreal Zone (S. Hicks)
Airborne Particles: an Approach to Calcium Oxalate Phytoliths (C. Hoyas, J. Juan and E. Villate)
Siliceous Particles: Man-made, Volcanic and of Biogenic Origin (U. Miller)
Desert Formation and Soil Damage in Central Tunisia During the Holocene (M. Hjelmroos and L.G. Franzén)

b) Anthropogenic Origin
Microscopic Charcoal Resulting from Human Activity: a Palaeoecological Factor (I. Vuorela)
The Characterization of Carbonaceous Particles Derived from Fossil-fuel Combustion (N. Rose, J. Watt, S. Juggins, M.A.R. Munro and R.W. Battarbee)
Characterisation of Particulate Matter Using Computer Controlled Scanning Electron Microscopy (J. Watt)
Characterisation and Distribution of Carbonaceous Particles in Lake Sediments (N. Rose)
Carbonaceous Fly ash Particles in the Natural Environment in Sweden (I. Renberg)
Retrospective Mapping of the Deposition of Carbonaceous Particles from Fossil-fuel Combustion (I. Renberg and M. Wik)
Characterization of Airborne Particles by Element Composition and Size Segregation (E. Selin, M. Djupström, M. Öblad, J. Isakson, P. Engström)
A Field Study of the Relationship between Deposition Rates and Particle Size (E. Selin, M. Djupström, J. Isakson, A. Minubi)
Monitoring Carbonaceous and Siliceous Airborne Particles in Urban and Rural Environments (S. Hicks)

II. Airborne particles and monuments

The Influence of Air-Pollution on Ancient Monuments, Buildings and Museum Objects (T. Klokkernes)
Problems of Airborne Particles: Their Effect on the Famous Frescoes of Masaccio, Masolino and Filippino Lippi in Florence (P. L. Parrini)
Interactions entre les microsphérules silicatées atmosphériques et les surfaces de monuments en calcaire et en bronze (P. Ausset, R. Lefevre, J. Philippon)
The Saint Julien Cathedral, southern Portal – Le Mans, France – a Stone Weathering Study (C. Venet, R. Lefevre, P. Ausset, J. Philippon)
The Role of Photosynthetic Microorganisms on Ancient Monuments. A Survey of Methodological Approaches (P. Albertano)
The Deterioration of Cultural Property by Airborne Pollutants: a Case Study of a Mediterranean Island (A. Bonanno, J. Cassar)
Environmental Pollution and Archaeological Objects : Effects and Research Perspectives (J. Peets)
Airborne Charcoal Particles as Cumponents of Urban Cultural Layers (I. Vuorela)

III. Gases and pollution

 Air Pollution and Forest Decline (A. Laisk, O.L. Lange and U. Heber)
Damage to Plants Caused by Anthropogenic Ozone (H. Moldau)
Plants as Indicators of Climatic Pollution in Urban and Nonurban Areas (F. Manes, A. Altieri, P. Tripodo)
User Oriented Design Methodologies and the Possibilities of Establishing International Databases Dealing with the Effects of Pollution (E. Melis)
Pollen and Air Pollution (S. Nilsson)

IV. Airborne particles and man: allergies and the indoor air

The Influence of Pollen on Different Aspects of our Cultural Heritage (S. Jäger)
The Occurrence of Allergen Carrying Airborne Particles in Relation to the Degree of Human Civilization (F. Th. M. Spieksma)
The Monitoring of Allergenic Pollen, Phytopathogenic Fungal Spores and Pollutant Atmospheric Particles (P. Mandrioli, A. Malossini and C. Sabbioni)
Health Hazards and Biological Particles (S. Gravesen)
Housing and Health (M. R. Ickovic)