@misc{lehner_envisat_asar_2001, 
author={Lehner, S.,Schulz-Stellenfleth, J.,Horstmann, J.,Hoja, D.},
title={ENVISAT ASAR measurements of marine parameters},
year={2001},
howpublished = {conference lecture (invited): Berlin-Adlershof (D); 30.05.-01.06.2001},
note = {Online available at: \url{} (DOI). Lehner, S.; Schulz-Stellenfleth, J.; Horstmann, J.; Hoja, D.: ENVISAT ASAR measurements of marine parameters. 4th Berlin Workshop on Ocean Remote Sensing. Berlin-Adlershof (D), 2001.}}