Scalogram Analysis of Logical and Perceptual Components of Conservation of Discontinuous Quantity
Marilyn Miller Schwartz, Ellin Kofsky Scholnick · Child Development · 1970
Marilyn Miller Schwartz, Ellin Kofsky Scholnick, Scalogram Analysis of Logical and Perceptual Components of Conservation of Discontinuous Quantity, Child Development, Vol. 41, No. 3 (Sep., 1970), pp. 695-705