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@inproceedings{HansonW97:0, title = {Constrained 3D navigation with 2D controllers}, author = {Andrew J. Hanson and Eric A. Wernert}, year = {1997}, doi = {10.1145/266989.267052}, url = {http://doi.acm.org/10.1145/266989.267052}, researchr = {https://researchr.org/publication/HansonW97%3A0}, cites = {0}, citedby = {0}, pages = {175-182}, booktitle = {IEEE Visualization}, }