@article{76136,
author = {Valentin Bonzom and Matteo Smerlak},
title = {{Gauge symmetries in spin-foam gravity\,:\,the case for ''cellular quantization''}},
doi = {10.1103/PhysRevLett.108.241303},
journal = {Physical review letters},
pages = {241303},
year = {2012},
volume = {108},
number = {24},
issn = {0031-9007},
}