Kinigadner, J., D. Vale, B. Büttner, and G. Wulfhorst. “Shifting Perspectives: A Comparison of Travel-Time-Based and Carbon-Based Accessibility Landscapes”. Journal of Transport and Land Use, vol. 14, no. 1, Mar. 2021, pp. 345-6, doi:10.5198/jtlu.2021.1741.