@inproceedings{deon2023microfacet,
    author = {d'Eon, Eugene and Bitterli, Benedikt and Weidlich, Andrea and Zeltner, Tizian},
    title = {Microfacet theory for non-uniform heightfields},
    year = {2023},
    publisher = {Association for Computing Machinery},
    address = {New York, NY, USA},
    url = {https://doi.org/10.1145/3588432.3591486},
    doi = {10.1145/3588432.3591486},
    booktitle = {SIGGRAPH 2023 Conference Papers},
    numpages = {10},
    location = {Los Angeles, CA, USA}
}