Studie I
watercolor and charcoal/paper
Studie II
charcoal/paper
Studie III
watercolor, charcoal and pastel/paper
Cyclic Force I
oil/canvas
Studie V
watercolor and pastel/paper
Studie VI
Studie VII
charcoal and pastel/paper
Studie VIII
Studie IX
Studie X
Studie XI
Fases de desplazamiento I