@article {Nehab:2005:ECP,
author = "Diego Nehab and Szymon Rusinkiewicz and James Davis and Ravi Ramamoorthi",
title = "Efficiently Combining Positions and Normals for Precise 3D Geometry",
journal = "ACM Transactions on Graphics (SIGGRAPH 2005)",
year = "2005",
month = aug,
volume = "24",
number = "3"
}