title: On the scaling problem and micro-macro derivation of crowd models: Comment on "Human behaviours in evacuation crowd dynamics: From modelling to "big data" toward crisis management" by Nicola Bellomo et al.
authors.affiliation: Cadi Ayyad University, Ecole Supérieure de Technologie, Essaouira, Morocco. Electronic address: chouhadn@gmail.com.
authors.forename: Nadia
authors.initials: N
authors.lastname: Chouhad
mesh_terms: D003441:Crowding; D006801:Humans; D008962:Models, Theoretical