| Dihedral Kaleidoscopes |
1971 |
Minneapolis |
|
16mm |
|
sound |
| Equidecomposable Polygons |
|
Univ Of Minnesota Audio Visual Education Service |
|
16mm |
|
sound |
| Geometric vectors: addition. |
1971 |
Natl Science Foundation |
6:20 |
16mm |
|
sound |
| Orthogonal Projection |
1971 |
Minneapolis |
|
16mm |
|
sound |