@inbook{Nakov_2021,
title={The CLEF-2021 CheckThat! Lab on Detecting Check-Worthy Claims,
Previously Fact-Checked Claims,
and Fake News},
ISBN={9783030722401},
ISSN={1611-3349},
url={http://dx.doi.org/10.1007/978-3-030-72240-1_75},
DOI={10.1007/978-3-030-72240-1_75},
booktitle={Advances in Information Retrieval},
publisher={Springer International Publishing},
author={Nakov,
Preslav and Da San Martino,
Giovanni and Elsayed,
Tamer and Barrón-Cedeño,
Alberto and Míguez,
Rubén and Shaar,
Shaden and Alam,
Firoj and Haouari,
Fatima and Hasanain,
Maram and Babulkov,
Nikolay and Nikolov,
Alex and Shahi,
Gautam Kishore and Struß,
Julia Maria and Mandl,
Thomas},
year={2021},
pages={639–649} }