Collaborations
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| with Jochem Gerz - 1967 | with Ruth Franken - 1969 | with Pierre Cordier - 1972 |
Experiments
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| anamorphoses - 1976 |
plotter-etchings - 1975 |
computer films - 1972-1975 |
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| telecom satellite conference -1975 | high resolution screen prints - 1969 | transformations of texts and images- 1976 |