@article {2803, title = {Zooming vs. Multiple Window Interfaces: Cognitive Costs of Visual Comparisons}, volume = {13}, number = {2}, year = {2006}, pages = {1-31}, publisher = {Association for Computing Machinery (ACM)}, address = {New York, NY, USA}, keywords = {Data Visualization}, author = {Plumlee, Matt D and Colin Ware} }