Exchange-Induced Upconversion in Rb2MnCl4: Yb3+.

@inproceedings{Reinhard2010ExchangeInducedUI,
  title={Exchange-Induced Upconversion in Rb2MnCl4: Yb3+.},
  author={Christine Reinhard and Rafael Valiente and Hans U. Guedel},
  year={2010}
}