@misc{michaelsen_la__2001, 
author={Michaelsen, C.,Wiesmann, J.,Bormann, R.,Nowak, C.,Dicker, C.,Hollensteiner, S.,Jaeger, W.},
title={La / B4C Multilayer mirrors for X-rays below 190eV},
year={2001},
howpublished = {conference lecture: San Diego, CA (USA); 29.07.-03.08.2001},
note = {Online available at: \url{} (DOI). Michaelsen, C.; Wiesmann, J.; Bormann, R.; Nowak, C.; Dicker, C.; Hollensteiner, S.; Jaeger, W.: La / B4C Multilayer mirrors for X-rays below 190eV. SPIE´S - 46th Annual Meeting. San Diego, CA (USA), 2001.}}