The child's construction of quantities : conservation and atomism
London
Routledge & Kegan Paul
1974
viii, 285 p. ; 23 cm
Translation of Le developpement des quantites physiques chez l'enfant, which was first published in 1942 under title: Le developpement des quantites chez l'enfant
Includes bibliographical references and index
Jean Piaget and Barbel Inhelder ; translated from the French by Arnold J. Pomerans