http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31340562painting techniques by stage http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31340562 painting techniques BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31340562 laying in NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31340562 burning in NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31340562 overpainting NT