Thornbush, M. J. (2014) “Orientational Effects on Soiling Measurements at the Sheldonian Theatre in Central Oxford, UK”, Journal of Building Construction, Planning and Materials Research, 1(1), pp. 1–27. Available at: http://archive.conscientiabeam.com/index.php/84/article/view/2396 (Accessed: 16 May 2024).