Reihe EssentialsMarcus Hellwig ×Springer International Publishing ×eBooks × The Probabilistic SIR Model (PSIR) in the Pandemic ProcessProject Management in Prevention and SupportMarcus HellwigSpringer International PublishingeBook2023 SIR - Model Supported by a New DensityAction Document for an Adapted COVID - ManagementMarcus HellwigSpringer International PublishingeBook2022