@inproceedings{biblio-8207008498258125787, author = {Katrin Wisniewski and Karin Schöne and Lionel Nicolas and Chiara Vettori and Adriane Boyd and Detmar Meurers and Andrea Abel and Jirka Hana}, year = 2013, title = {MERLIN: An Online Trilingual Learner Corpus Empirically Grounding the European Reference Levels in Authentic Learner }, booktitle = {Conference proceedings. ICT for language learning}, pages = {1--5}, publisher = {libreriauniversitaria.it}, address = {Firenze, Italy}, isbn = {978-88-6292-423-8}, }