An image from document digi.ub.uni-heidelberg.de:::designtheoretisches_kolloquium1988
This image appears in clusters: 0000030056de3db686d2f214a121719dbd57ca2392cad0787e7b3614e2d6b6821c8f55df 00000200c187f4f5ee79855309fa806ef2d3b827d5a01740f059ba70d6065acf618d1cc3