The Oxford handbook of language attrition - Schmid, Monika S.; Köpke, Barbara; Cherciov, Mirela; Karayayla, Tuğba; Keijzer, Merel; De Leeuw, Esther; Mehotcheva, Teodora H.; Montrul, Silvina, 1966-; Polinsky, Maria, 1956- (Oxford handbooks in linguistics, 2019)