Martín, Fernando, Inmaculada Palomino, and Marta G. Vivanco. 2010. “Application of a Method for Combining Measured Data and Modelling Results in Air Quality Assessment in Spain”. Física de la Tierra 21 (January): 65-78. https://revistas.ucm.es/index.php/FITE/article/view/FITE0909110065A.