On tools and toys: How children learn to act on and pretend with 'virigin' objects.
https://www.psych.uni-goettingen.de/de/development/stuff-not-used/publikationen-1/2003-2005/on-tools-and-toys-how-children-learn-to-act-on-and-pretend-with-virigin-objects/view
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On tools and toys: How children learn to act on and pretend with 'virigin' objects.