@misc{wang2021_paper33,
  title = {The collapse of polyelectrolyte brushes made of 4-arm stars mediated by trivalent salt counterions},
  year = {2021},
  url = {https://doi.org/10.1080/08927022.2021.1932875},
  doi = {10.1080/08927022.2021.1932875}
}