Three dimensions and impossible solids /
Wiltshire, Alan.
Three dimensions and impossible solids / by Alan Wiltsire. - Essex : Claire Publications, 1992. - 60 p. : ; 29 cm.
1871098173
Geometry.
Hexagons.
Triangles.
Three dimensions and impossible solids / by Alan Wiltsire. - Essex : Claire Publications, 1992. - 60 p. : ; 29 cm.
1871098173
Geometry.
Hexagons.
Triangles.