@article{MinaevRatzingerPodlechetal.2009,
  author    = {Sergey Minaev and Ulrich Ratzinger and Holger Podlech and Marco Busch and Winfried Barth},
  title     = {Superconducting, energy variable heavy ion linac with constant β, multicell cavities of CH-type},
  journal   = {Physical review. Special topics. Accelerators and beams},
  volume    = {12},
  number    = {120101},
  doi       = {10.1103/PhysRevSTAB.12.120101},
  year      = {2009},
}