@misc{hagner_regional_patterns_2000, 
author={Hagner, C.},
title={Regional Patterns and Long-Term Lead Concentrations in Europe},
year={2000},
howpublished = {conference lecture (invited): Sopot (PL); 06.-08.06.2000},
note = {Online available at: \url{} (DOI). Hagner, C.: Regional Patterns and Long-Term Lead Concentrations in Europe. 3rd Conference on Trace Metals - Effects on Organisms and Environment. Sopot (PL), 2000.}}