@INPROCEEDINGS{obendorf-weinreich-www12, author = {Hartmut Obendorf and Harald Weinreich}, title = {Comparing Link Marker Visualization Techniques -- Changes in Reading Behavior}, booktitle = {Proc. of 12th International World Wide Web Conference - WWW 2003}, year = {2003}, pages = {736-745}, month = {5}, publisher = {ACM Press New York} }