@inproceedings{NFM2012:MuUh,
 author = {Norbert Th. M{\"u}ller and Christian Uhrhan},
 title = {Some Steps into Verification of Exact Real Arithmetic},
 booktitle = {Proceedings of the 4th  NASA Formal Methods Symposium (NFM 2012)},
 volume = {7226},
 editor = {Alwyn E. Goodloe and Suzette Person},
 location = {Norfolk, VA, USA},
 publisher = {Springer-Verlag},
 address = {Berlin, Heidelberg},
 pages = {168--173},
 month = {April},
 year = {2012}
}