Biotechniques for air pollution control : proceedings of the 3rd International Congress on Biotechniques for Air Pollution Control, Delft, The Netherlands, 28-30 September 2009 / by International Congress on Biotechniques for Air Pollution Control (3rd : 2009 : Delft, Netherlands), Bartacek, Jan, Kennes, C., Lens, P. N. L. (Piet N. L.)