@misc{indiciaec1f43861ae36, title = {Comparison of artificial maturation of lignite in hydrous and nonhydrous conditions}, author = {F. Behar and M. D. Lewan and F. Lorant and M. Vandenbroucke}, year = {2003}, doi = {10.1016/s0146-6380(02)00241-3}, url = {https://pubs.usgs.gov/publication/70026194}, note = {Source identifier: 70026194} }