@article{arico2017investigation,
  author = {Arico, G. and Gehrke, T. and Jak{\r{u}}bek, J. and Gallas, R.},
  title = {Investigation of mixed ion fields in the forward direction for 220.5 {MeV}/u helium ion beams: comparison between water and {PMMA} targets},
  journal = {Physics in Medicine \& Biology},
  publisher = {IOP Publishing},
  volume = {62},
  number = {20},
  pages = {8003--8024},
  year = {2017},
  doi = {10.1088/1361-6560/aa875e},
  issn = {0031-9155}
}