http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31300488development rights transfer http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31300488 legal concepts BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31300488 rights transfer, development UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31300488 transfer of development rights UF