@incollection{WiebelKochScheuermann2011, author = {Alexander Wiebel and Stefan Koch and Gerik Scheuermann}, title = {Glyphs for Non-Linear Vector Field Singularities}, booktitle = {Topological Methods in Data Analysis and Visualization II}, editor = {Ronald Peikert and Helwig Hauser and Hamish Carr and Raphael Fuchs}, pages = {177 -- 190}, year = {2011}, }