@article{TuegBaumann2014,
  author    = {Helmut T{\"u}g and Marcus Baumann},
  title     = {Problems of UV-B radiation measurements in biological research : critical remarks on current techniques and suggestions for improvements},
  journal   = {Geophysical research letters},
  volume    = {Vol. 21},
  number    = {Iss. 8},
  pages     = {689 -- 692},
  year      = {2014},
}