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> Lydia A Gerhardt
Lydia A Gerhardt
title
ISBN-13
(ISBN-10)
year of publication
Moving and knowing;: The young child orients himself in space
978-O-13-6O4694-3
(O-13-6O4694-O)
1973
A.G.
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L a
·
L.A. Gerhardt
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L.G.
Lydia A. Isaac