Gerber, Andri. Training Spatial Abilities, Birkhäuser, 2020.
Gerber, A. (2020). Training Spatial Abilities. Birkhäuser.
Gerber, A. 2020. Training Spatial Abilities. Birkhäuser.
Gerber, Andri. Training Spatial Abilities. Birkhäuser, 2020.
Gerber A. Training Spatial Abilities. Birkhäuser; 2020.