Lobo, J., M. Alberti, M. Allen-Dumas, E. Arcaute, M. Barthelemy, L.A. Bojorquez Tapia, S. Brail, L.M.A Bettencourt, A. Beukes, W.-Q. Chen, R. Florida, M. Gonzalez, N. Grimm, M. Hamilton, C. Kempes, C.E. Kontokosta, C. Mellander, Z.P. Neal, S. Ortman, D. Pfeiffer, M. Price, A. Revi, C. Rozenblat, D. Rybski, M. Siemiatycki, S.T. Shutters, M.E. Smith, E.C. Stokes, D. Strumsky, G. West, D. White, J. Wu, V.C. Yang, A. York, H. Youn (2020). Urban Science: Integrated Theory from the First Cities to Sustainable Metropolises. SSRN Electronic Journal.