@misc{petersen_vertical_distribution_1988, 
author={Petersen, W., Knauth, H.-D., Pepelnik, R., Bendler, I.},
title={Vertical distribution of Chernobyl isotopes and their correlation with heavy metals and organic carbon in sediment cores of the Elbe estuary},
year={1988},
howpublished = {conference lecture: Quebec (CDN);},
note = {Petersen, W.; Knauth, H.; Pepelnik, R.; Bendler, I.: Vertical distribution of Chernobyl isotopes and their correlation with heavy metals and organic carbon in sediment cores of the Elbe estuary. International Symposium of Fate and Effects of Toxic Chemicals in Large Rivers and their Estuaries. Quebec (CDN), 1988.}}