Veuger, J. (2021), Review on: A Local Spatial STIRPAT Model for Outdoor NOx Concentrations in the Community of Madrid, Spain. Mathematics 2021, 9(6), 677; https://doi.org/10.3390/math9060677Mathematics | Free Full-Text | A Local Spatial STIRPAT Model for Outdoor NOx Concentrations in the Community of Madrid, Spain (mdpi.com)