@inproceedings{KucGreuelJuestel2010,
  author    = {Kuc, J. and Greuel, G. and J{\"u}stel, T.},
  title     = {Coating of UV-C Phosphor YPO4:Bi3+ with MgO, Al2O3, and MgAl2O4},
  series = {Excited Stated of Transition Elements, Piechowice, Poland},
  booktitle = {Excited Stated of Transition Elements, Piechowice, Poland},
  year      = {2010},
  language  = {en}
}
@inproceedings{KucGreuelJuestel2011,
  author    = {Kuc, J. and Greuel, G. and J{\"u}stel, T.},
  title     = {Coating of UV-C Phosphor YPO4:Bi3+ with MgO or Al2O3},
  series = {VI International Materials Symposium MATERIAIS 2011 Guimar{\~a}es, Portugal},
  booktitle = {VI International Materials Symposium MATERIAIS 2011 Guimar{\~a}es, Portugal},
  year      = {2011},
  language  = {en}
}
@inproceedings{MuellerHerdenGreueletal.2012,
  author    = {M{\"u}ller, M. and Herden, B. and Greuel, G. and J{\"u}stel, T.},
  title     = {Novel UV Emitting Phosphors for Gas Discharge Lamps},
  series = {REEC, M{\"u}nster, Germany},
  booktitle = {REEC, M{\"u}nster, Germany},
  year      = {2012},
  language  = {en}
}