%0 conference lecture %@ %A Muenkel, C.,Weitkamp, C.,Woppowa, L.,Werner, C.,Danzeisen, H.H.,Engelbart, D.A.M.,Fritzsche, K.,Klein, V.,Trickl, T. %D 2002 %J Remote Sensing of Clouds and the Atmosphere VII %N %P %T Guidelines for ground-based remote sensing of visibility, wind vector, and gaseous pollution with lidar %U %X