Process equation as a model for the development of cellsFahimeh Nazarimehr, Seyedeh Sanaz Hosseini, Abdul Jalil M. Khalaf, Sajad Jafari and Julien C. SprottEur. Phys. J. Special Topics, 229 6-7 (2020) 921-927DOI: https://doi.org/10.1140/epjst/e2020-900089-7