4th International Conference, Stockhome, sweden, 1990
5th International Conference, Bangalore, India, 1994
6th International Conference, Perugia, Italy, 1999
7th International Conference, Montebello, Canada, 2002
8th International Conference Neuchatel, Switzerland, 2006
11th International Congress of Aerobiology held at Parma Italy
Dr. A.K. Jain, Dr. K. Bhattacharya, Dr. A.H. Munshi at International Aerobiology Conference at Perugia, Italy