@inproceedings{poupyrev_non-isomorphic_2000,
	title = {Non-isomorphic 3D {Rotational} {Techniques}},
	booktitle = {Proceedings of {CHI}'2000, {ACM}},
	author = {Poupyrev, Ivan and Weghorst, Suzanne and Fels, S.},
	year = {2000},
	pages = {546--547}
}