https://xn--9csy02cvr3a.xn--fiqs8s/118041/tratado-celebrado-entre-las-coronas-de-espana-y-de-portugal-y-firmado-en-el-pardo-a-12-de-febrero-de-1761-para-anular-el-de-limites-que-se-habia-estipulado-en-el-ano-de-1750/