Colmenar Limestone, Madrid, Spain: considerations for its nomination as a Global Heritage Stone Resource due to its long term durability

Part of the special publication: SP-407 (2015). Global Heritage Stone: Towards International Recognition of Building and Ornamental Stones (Edited by D. Pereira, B. R. Marker, S. Kramar, B. J. Cooper and B. E. Schouenborg). 978-1-86239-685-2