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A Comparison of Representations of Units of Length: A Microgenetic Analysis (Cullen, Barrett, Sarama, Clements)
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A Comparison of Representations of Units of Length: A Microgenetic Analysis (Cullen, Barrett, Sarama, Clements)
http://gsewebvm.gse.buffalo.edu/org/dnn/LinkClick.aspx?fileticket=gzRo8HqPbu8%3D...
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