@article{JGG_2014_18_1_JGG_2014_18_1_a10,
     author = {G. Maresch },
     title = {Strategies for {Assessing} {Spatial} {Ability} {Tasks}},
     journal = {Journal for geometry and graphics},
     pages = {125--132},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2014},
     url = {http://geodesic.mathdoc.fr/item/JGG_2014_18_1_JGG_2014_18_1_a10/}
}