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@article{JGG_2013_17_2_JGG_2013_17_2_a9, author = {G. Maresch }, title = {Spatial {Ability} -- {The} {Phases} of {Spatial} {Ability} {Research}}, journal = {Journal for geometry and graphics}, pages = {237--25}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {2013}, url = {http://geodesic.mathdoc.fr/item/JGG_2013_17_2_JGG_2013_17_2_a9/} }
G. Maresch . Spatial Ability -- The Phases of Spatial Ability Research. Journal for geometry and graphics, Tome 17 (2013) no. 2, pp. 237-25. http://geodesic.mathdoc.fr/item/JGG_2013_17_2_JGG_2013_17_2_a9/