@article{Sommermann2018,
  author    = {Karl-Peter Sommermann},
  title     = {Some Reflections on the Concept of Solidarity and its Transformation into a Legal Principle},
  series   = {Archiv des V{\"o}lkerrechts},
  volume    = {54},
  publisher = {Mohr},
  address   = {T{\"u}bingen},
  pages     = {10 -- 24},
  year      = {2018},
  abstract  = {.},
  language  = {en}
}