The Child's communicative competence. Language capacity in three groups of children from different social classes. By Ton van der Geest [and others] - The Hague, Mouton, 1973. - 130 p. 22 cm. - Janua linguarum. Series minor ; 202 . Bibliography: p. [111]-114. LCCN: 73080962 Nat. Bib. No.: Ne74-10 Subjects--Topical Terms: Language acquisition. LC Class. No.: P136 / .C5 Dewey Class. No.: 401.930 83 GEE