(1969). Forma viva: 9th-10th international symposium of sculptors.
Chicago-Zitierstil (17. Ausg.)Forma Viva: 9th-10th International Symposium of Sculptors. Ljubljana, 1969.
MLA-Zitierstil (8. Ausg.)Forma Viva: 9th-10th International Symposium of Sculptors. 1969.
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