Nachschlagewerke; Reference books ; Erstspracherwerb; First language acquisition; Ontogenese; Language acquisition ; Child language ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Sozioemotionale Entwicklung; Socioemotional development; Language acquisition and psychological development
