Perception as a Possible Source of Conservation: Evidence for Length Conservation.
| Autor: | Silverman, Irwin W.1, Vanderhorst, Gloria N.1, Eull, William H.1 |
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| Zdroj: | Child Development. Jun1976, Vol. 47 Issue 2, p427-433. 7p. |
| Databáze: | Academic Search Ultimate |
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