Figueira, Francisca, Marta Matos, Aida Nunes, Marina Afonso, Ana Clara Rocha, Joana Campelo, and Teresa Ferreira. 2020. “Considerations about Foxing Stains in Three Paper Collections Ranging from the 16th to the 20th Century”. Conservar Património 35 (November):45-57. https://doi.org/10.14568/cp2019022.