Ulises Carrion, Ko de Jonge, Pawel Petasz, Leonhard Frank, Herman Gruber, Johan Van Geluwe,
Rubber. Vol. 3 number 7/9, july/sept. 1980. Six Mail Art Projects
Pawel Petasz, Ko de Jonge, Anna Banana, Robin Crozier, Horacio Zabala, Joseph Beuys, Michèle Perfetti, Gérald Minkoff,
Directions to Use.
