@article{Chen2013MLS,
author = {Chen, Jiazhou and Guennebaud, Gaël and Barla, Pascal and Granier, Xavier},
title = {Non-Oriented MLS Gradient Fields},
journal = {Computer Graphics Forum},
volume = {32},
number = {8},
pages = {98-109},
doi = {https://doi.org/10.1111/cgf.12164},
year = {2013}
}