TY - JOUR AU - Pérez-Monserrat, Elena Mercedes AU - Varas Muriel, María Josefa AU - Álvarez de Buergo, Mónica AU - Fort González, Rafael PY - 2016 DO - 10.3390/geosciences6010004 SN - 2076-3263 UR - https://hdl.handle.net/20.500.14352/23510 T2 - Geosciences AB - Air pollution induces the development of black crusts on the surface of built heritage materials. Black layers on the limestone used on an emblematic Madrilenian building dating from the early twentieth century, mainly built up in the 20 years lapsing... LA - eng PB - MDPI KW - Particulate matter KW - Decay KW - Soiling KW - Dust KW - Air pollution KW - Cleaning KW - Monitoring KW - Conservation strategies KW - Built heritage TI - Black Layers of Decay and Color Patterns on Heritage Limestone as Markers of Environmental Change TY - journal article VL - 6 ER -