soft-ground etchinghttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31410248enGetty Institute2026-03-30 20:50:18http://AATesaurus.cultura.gencat.cat/aat/getty_enTesaurus d'Art i Arquitecturatext/html etching, soft-ground soft ground soft ground etching soft-ground soft-ground technique vernis mou