foto: Puiu K. Patzelt, 2008 https://romanialibera.ro/cultura/stefan-sevastre-un-geometru-absolut-824424?fbclid=IwAR3WoV1OJYhB4eyBY-t_Cc_5o2GMJ03yhVFCSqTVu-3CmRMa4pZUVgJPtZ4