@misc{helmholz_silica_and_2002, 
author={Helmholz, H.,Thiesen, P.,Niemeyer, B.},
title={Silica- and Polymer-based Lectin Adsorbents for Glycoconjugate Separation},
year={2002},
howpublished = {conference lecture (invited): Cairns (AUS); 07.-12.07.2002},
note = {Online available at: \url{} (DOI). Helmholz, H.; Thiesen, P.; Niemeyer, B.: Silica- and Polymer-based Lectin Adsorbents for Glycoconjugate Separation. 21st International Carbohydrate Symposium. Cairns (AUS), 2002.}}