@inproceedings{ Díaz_Lozano_Callies,

author = { Ana Díaz Negrillo and Cristóbal Lozano and Marcus Callies } ,

title = { Introducing the Corpus of English as a Foreign Language (COREFL): A bi-modal, multi-task corpus for SLA research },

booktitle = { LCR 2019 (5th International Learner Corpus Research Conference) },

year = { 2019 },

pages = { None - None },

location = { Varsovia (Polonia) },

}