Evolution in the Intuitive Mastery of the Relationship Between Mass, Volume, and Density
from Nursery School to College / Mullet, Etienne et Léoni, Véronique, 1993. Extrait
de Genetic, social, and general psychology monographs, ISSN 8756-7547. - (1993-8)
Vol. 119, n°3, p.389-412