de Carvalho, Isamara Lara, et al. “Characterization of Pigments and Materials of the Original Body and Additions of the Book of Hours 50,1,1 from the Brazilian National Library”. Semina: Ciências Exatas E Tecnológicas, vol. 44, Aug. 2023, p. e47965, doi:10.5433/1679-0375.2023.v44.47965.