@misc{_dataassimilation_soil_1997, 
author={Kucharski F.},
title={Data-Assimilation: Soil Moisture Retrieval},
year={1997},
howpublished = {conference lecture: Helsinki (FIN); June 12, 1997},
note = {Online available at: \url{} (DOI). Kucharski F.: Data-Assimilation: Soil Moisture Retrieval. NEWBALTIC Project-Meeting. Helsinki (FIN), 1997.}}