@article{KlierKumke2015,
  author    = {Dennis Tobias Klier and Michael Uwe Kumke},
  title     = {Upconversion NaYF4:Yb:Er nanoparticles co-doped with Gd3+ and Nd3+ for thermometry on the nanoscale},
  journal   = {RSC Advances},
  volume    = {5},
  number    = {82},
  pages     = {67149 -- 67156},
  doi       = {10.1039/c5ra11502g},
  year      = {2015},
}