@misc{ansmann_klett_forwardbackward_1991, 
author={Ansmann, A.,Riebesell, M.,Wandinger, U.,Weitkamp, C.,Michaelis, W.},
title={Klett forward-backward integration for model-independant determination of the aerosol extinction-to-backscatter ratio},
year={1991},
howpublished = {conference paper,conference lecture,GKSS report: Boulder, CO (USA); September 10-13, 1991},
note = {Online available at: \url{} (DOI). Ansmann, A.; Riebesell, M.; Wandinger, U.; Weitkamp, C.; Michaelis, W.: Klett forward-backward integration for model-independant determination of the aerosol extinction-to-backscatter ratio. In: National Center for Atmospheric Research (Ed.): Symposium on Lower Tropospheric Profiling: Needs and Technologies, a symposium to critically review and evaluate scientific needs and access current and projected technologies; extended abstracts. Boulder, CO (USA). 1991. 25-26.}}