@misc{behnert_aerosol_optical_2004, author={Behnert, I., Matthias, V., Doerffer, R.}, title={Aerosol optical thickness and its spectral dependence derived from sunphotometer measurements over the southern North Sea coastal region}, year={2004}, howpublished = {conference poster: Huelva (E);}, note = {Behnert, I.; Matthias, V.; Doerffer, R.: Aerosol optical thickness and its spectral dependence derived from sunphotometer measurements over the southern North Sea coastal region. In: AERONET/PHOTONS Workshop 2004. Huelva (E). 2004.}}