period
- The dancer with the key
- The three companions
- Abstraction with Reference to a Flowering Tree
- Composition with compass
- Rotoreliefs (Optical Discs) 1
- Mechanical components on a red background
- Na belini II
- untitled (8108)
- Composition with Blue 1
- Number
- Perspectives
- Abstract 8
- Key to the Mona Lisa
- Study for the card game