Christoph Sklarczyk Horst Perner Hans Rieder Walter Arnold Petra Perner Image Acquisition and Analysis of Hazardous Biological Material in Air. 1-14 2007 conf/massdata/2007 MDA http://dx.doi.org/10.1007/978-3-540-76300-0_1 db/conf/massdata/mda2007.html#SklarczykPRAP07