@misc{leonhard_direct_analysis_2001, 
author={Leonhard, P.,Pepelnik, R.,Prange, A.,Yamada, T.,Yamada, N.},
title={Direct Analysis of Seawater using a new ICP-MS with a Collision Cell},
year={2001},
howpublished = {conference lecture: Lillehammer (N); 04.-08.02.2001},
note = {Online available at: \url{} (DOI). Leonhard, P.; Pepelnik, R.; Prange, A.; Yamada, T.; Yamada, N.: Direct Analysis of Seawater using a new ICP-MS with a Collision Cell. European Winter Conference on Plasma Spectrochemistry. Lillehammer (N), 2001.}}