author = {Enylton Machado Coelho and Blair MacIntyre and Simon Julier},
title = {Supporting Interaction in Augmented Reality in the Presence of Uncertain Spatial Knowledge},
booktitle = {The Eighteenth Annual ACM Symposium on User Interface Software and Technology (UIST 2005)},
month = {October 23-26},
year = 2005,
where = {Seattle, Washington}

author = {Enylton Machado Coelho and Blair MacIntyre},
title = {Augmenting Real Environments},
booktitle = {The Third Young Investigator's Forum in Virtual Reality (YVR 2005)},
month = {February 24-25},
year = 2005,
where = {Pohang, Korea}

author = {Enylton Machado Coelho and Blair MacIntyre and Simon Julier},
title = {{osgAR}: A Scenegraph with Uncertain Transformations},
booktitle = {International Symposium on Mixed and Augmented Reality (ISMAR 2004)},
pages = {6--15},
month = {November 2-5},
year = 2004,
where = {Arlington, Virginia}

author = {Nassir Navab and Siavash Zokai and Yakup Genc and Enylton Machado Coelho},
title = {On-line Evaluation System for Optical See-through Augmented Reality},
booktitle = {IEEE Virtual Reality Conference (VR 2004)},
month = {March 27-31},
year = 2004,
where = {Chicago, Illinois}

author = {Enylton Machado Coelho and Blair MacIntyre},
title = {High-Level Tracker Abstractions for Augmented Reality System Design},
booktitle = {The Int'l Workshop on Software Technology for AR Systems (STARS 2003)},
month = {October 7-10},
year = 2003,
where = {Tokyo, Japan}

author = {Blair MacIntyre and Enylton Machado Coelho and Simon Julier},
title = {Estimating and Adapting to Registration Errors in Augmented Reality Systems},
booktitle = {IEEE Virtual Reality (VR 2002)},
month = {March},
year = 2002,
where = {Orlando, Florida}

author = {Blair MacIntyre and Enylton Machado Coelho},
title = {Adapting to Dynamic Registration Errors Using Level of Error (LOE) Filtering},
booktitle = {International Symposium on Augmented Reality (ISAR 2000)},
month = {Oct 5-6},
year = 2000,
where = {Munich, Germany}