@misc{misc9df8449d,
title   = {Preface},
author = {Bitencourt, Maria de Fátima and Janasi, Valdecir de Assis},
year = {2021},
doi = {10.1007/s12583-021-1320-7},
publisher = {Springer Science and Business Media LLC},
journal   = {Journal of Earth Science}
}