@article{VeasGrassetKruijffetal.2012, author = {Eduardo Veas and Rapha{\"e}l Grasset and Ernst Kruijff and Dieter Schmalstieg}, title = {Extended overview techniques for outdoor augmented reality}, series = {IEEE Transactions on Visualization and Computer Graphics}, volume = {18}, number = {4}, publisher = {IEEE}, issn = {1077-2626}, doi = {10.1109/TVCG.2012.44}, pages = {565 -- 572}, year = {2012}, language = {en} }