The MERLIN corpus: Learner language and the CEFR. - Adriane Boyd; Jirka Hana; Lionel Nicolas; Detmar Meurers; Katrin Wisniewski; Andrea Abel; Karin Schöne; Barbora Stindlová; Chiara Vettori (LREC, 2014)

Design and Development of the MERLIN Learner Corpus Platform. - Verena Lyding; Karin Schöne (LREC, 2016)