TY - JOUR AU - Lerf, A. AU - Wagner, F. E. AU - Dreher, M. AU - Espejo Arias, María Teresa AU - Pérez Rodríguez, J. L. PY - 2021 UR - http://hdl.handle.net/10481/68954 AB - Iron gall ink was used in the Western world as a permanent writing material already in late Roman times and throughout the Middle Ages, until it became obsolete in the twentieth century. There is much interest in experimental methods to determine the... LA - eng PB - Springer KW - Mössbauer spectroscopy KW - Iron gall inks KW - IGI KW - Historical documents KW - Fe(II)-oxalate KW - Jarosite TI - Mössbauer study of iron gall inks on historical documents DO - 10.1186/s40494-021-00522-3 ER -