1. Aerobiology or Aerobiologies?

   • Paolo Mandrioli
   • Paul Comtois

   Legacy Pages: 3 - 3

2. Louis Pasteur: the first experimental aerobiologist

   • Annalisa Ariatti
   • Paul Comtois

   OriginalPaper Pages: 5 - 14

3. Precision of the daily pollen count. Identifying sources of variation using variance component models

   • Bo. V. Pedersen
   • Lars Moseholm

   OriginalPaper Pages: 15 - 26

4. The incidence of increased pollen concentrations during rainfall in the air of London

   • Jane Norris-Hill
   • Jean Emberlin

   OriginalPaper Pages: 27 - 32

5. Calcium oxalate films on stone monuments — Microbiological investigations

   • Claudio Ciccarone
   • Daniela Pinna

   OriginalPaper Pages: 33 - 37

6. Airborne fungal spores trend over a highly polluted area of south-west Spain using Cour's trap

   • Francisco José González Minero
   • María Leticia González Romano
   • Pilar Candau

   OriginalPaper Pages: 39 - 45

7. Allergenic pollen and pollinosis in Warsaw

   • Edward Zawisza
   • Boleslaw Samolinski
   • Piotr Rapiejko

   OriginalPaper Pages: 47 - 51

8. Comparison of airborne pollen grains in Huddinge and Stockholm, Sweden

   • Gamal El-Ghazaly
   • Polixeni-Kotzamanidou El-Ghazaly
   • Siwert Nilsson

   OriginalPaper Pages: 53 - 67

9. Population study of atmospheric bacteria at the Fengtai district of Beijing on two representative days

   • Tong Yongyi
   • Che Fengxiang
   • Jiang Li

   Regional Report Pages: 69 - 74

10. Ambrosia elatior (L.) in Hungary (1989–1990)

    • Magda Járai-Komlódi
    • Miklós Juhász

    Regional Report Pages: 75 - 78

11. News

    News Pages: 79 - 82

12. Upcoming meetings

    Announcement Pages: 83 - 87

13. Flora Palinologica Italiana, Sezione Aeropalinologica — Specie esotiche-S 233:Calocedrus decurrens (Torr.) Florin (Cupressaceae)

    • Rosanna Caramiello
    • Valeria Fossa
    • Elena Comino

    OriginalPaper Pages: 89 - 96