The child's construction of quantities conservation and atomism /
Piaget, Jean,1896-1980.
Inhelder, Bärbel.
Pomerans, Arnold Julius.
London Routledge and Kegan Paul
1974
This translation also published: New York : Basic Books, 1974. - Translation of: 'Le Développement des quantités physiques chez l'enfant'. Neuchâtel : Delachaux et Niestlé, 1942
Includes index
Cognition (Child psychology)