Billis, Emmanouil Otto Hahn Research Group on Alternative and Informal Systems of Crime Control and Criminal Justice, Max Planck Institute for the Study of Crime, Security and Law, Max Planck Society;
https://doi.org/10.4337/9781789902990.proportionality (Any fulltext)
Billis, E., & Knust, N. (2022). Proportionality (Principle of). In P. Caeiro, S. Gless, V. Mitsilegas, M. Costa João, J. De Snaijer, & G. Theodorakakou (Eds.), Elgar Encyclopedia of Crime and Criminal Justice. Edward Elgar Publishing. doi:10.4337/9781789902990.proportionality.