TY - CHAP AU - Pérez-Monserrat, Elena Mercedes AU - Varas, M.J. AU - Fort, R. AU - Álvarez de Buergo, Mónica PY - 2007 UR - https://hdl.handle.net/20.500.14352/53596 AB - The former Workers Hospital was designed by architect Antonio Palacios in the Northern enlargement of Madrid at the beginning of the 20th century. The building and its surrounding wall are mostly built with limestone masonry. It remained abandoned... LA - eng M2 - 324 PB - International Rivers and Heritage Institute Université d´Orléans KW - Limestone KW - Cleaning techniques KW - Air pollution KW - Soiling KW - Aesthetic value TI - Assessing the cleaning methods on the limestone façades in the formerly Workers Hospital of Madrid, Spain TY - book part ER -