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Volume representation and arithmetization. Interviews with 11 to 15 year olds. Volumendarstellung und Arithmetisierung. Interviews mit 11-15jaehrigen(Representation du volume et arithmetisation. Entretiens individuels avec des eleves de 11 a 15 ans). (French)
Rech. Didact. Math. (1983) v. 4(1) p. 27-69. [ISSN 0246-9367]
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