Academic discourse; Scientific communication ; Academic language; Scientific language ; Zweitspracherwerb (Textproduktion) ; Second language acquisition (text production) ; Text production (second language acquisition) ; Korrektur (Textproduktion) ; Editing; Correction (in text production) ; Sachtext; Scientific article; Sachbuch; Nonfiction; Technical discourse ; Citation; Referenz (text.) ; Quotation ; English