Erstspracherwerb; First language acquisition; Ontogenese; Language acquisition ; Dual language acquisition; Bimodal language acquisition; Spracherwerb (biling.) ; Language acquisition (biling.) ; Bilingual language acquisition ; Alternation (biling.) ; Language shift (biling.) ; Sprachwechsel (biling.) ; Case study (pathol.) ; Interference (synt.) ; German ; French
