@article{UBHD-67667262, author={Mitchell, David S. and Reffert, Sabine and Trifonov, Trifon and Quirrenbach, Andreas}, title={Precise radial velocities of giant stars}, subtitle={V. A brown dwarf and a planet orbiting the K giant stars τ Geminorum and 91 Aquarii}, year={2013}, pages={A87}, language={eng}, issn={1432-0746}, volume={555}, number={?}, note={Gesehen am 29.08.2014}, journal={Astronomy and astrophysics}, doi={10.1051/0004-6361/201321714}, } @conference{UBHD-67840366, author={Quirrenbach, Andreas and Reffert, Sabine and Mitchell, David S.}, title={Masses and orbits of extrasolar planets}, subtitle={preparation of astronetric observing programs}, year={2004}, pages={65-68}, language={eng}, isbn={1-58381-171-0 and 978-1-58381-171-9}, }