Rodríguez-Maciel, A. and Díaz-González , E. 2021. Scientific photography in the archive of the Telesforo Bravo-Juan Coello Foundation: the degradation of silver gelatin prints. Ge-conservacion. 20, 1 (Oct. 2021), 85-95. DOI:https://doi.org/10.37558/gec.v20i1.1024.