@article { 538,
title = {Efficiently Combining Positions and Normals for Precise 3D Geometry},
journal = {ACM Transactions on Graphics },
volume = {24},
number = {3},
year = {2005},
month = {Jun},
pages = {536-543},
URL = {http://cseweb.ucsd.edu/~ravir/papers/hybrid},
author = {Diego Nehab and Szymon Rusinkiewicz and James Davis and Ravi Ramamoorthi}
}