1. GRAVITY: Observing the Universe in Motion;Eisenhauer,2011
2. GRAVITY: a four-telescope beam combiner instrument for the VLTI;Gillessen,2010
3. The Fiber Coupler subsystem of the future VLTI instrument GRAVITY;Pfuhl,2010
4. The fringe detection laser metrology for the GRAVITY interferometer at the VLTI;Bartko,2010
5. The GRAVITY spectrometers: optical design and principle of operation;Straubmaier,2010