ParaCrawl: Web-Scale Acquisition of Parallel Corpora. - Marta Bañón; Pinzhen Chen; Barry Haddow; Kenneth Heafield; Hieu Hoang; Miquel Esplà-Gomis; Mikel L. Forcada; Amir Kamran; Faheem Kirefu; Philipp Koehn; Sergio Ortiz-Rojas; Leopoldo Pla Sempere; et al. (ACL, 2020)