BibTeX

@InProceedings{mueller+acl2011,
  author = {M{ü}ller, Thomas and Sch{ü}tze, Hinrich},
  title = {Improved modeling of out-of-vocabulary words using morphological
	classes},
  booktitle = {Proceedings of the 49th Annual Meeting of the Association for Computational
	Linguistics: Human Language Technologies},
  year = {2011},
  series = {HLT '11},
  pages = {524-528},
  pdf = {https://www.ims.uni-stuttgart.de/~muellets/pdf/acl2011.pdf}
}