A trip to the end of the universe and the twin paradox. Am. J. Phys, 2008. [PUMA: 2008 relavis vis(us) visus visus:muelleta] URL
Exact geometric optics in a Morris-Thorne wormhole spacetime. Phys. Rev. D, 2008. [PUMA: 2008 relavis vis(us) vis-gis visus visus:muelleta] URL
How Computers Can Help Us in Creating an Intuitive Access to Relativity. New Journal of Physics, (10)2008. [PUMA: 2008 relavis vis(us) visus visus:muelleta visus:weiskopf] URL
Einstein rings as a tool for estimating distances and the mass of a Schwarzschild black hole. Phys. Rev. D, (77)2008. [PUMA: 2008 relavis vis(us) visus visus:muelleta] URL
Falling into a Schwarzschild black hole - Geometric aspects. Gen. Rel. Grav., 2008. [PUMA: 2008 relavis vis(us) visus visus:muelleta] URL
Prospects for testing the nature of Sgr A*'s NIR flares on the basis of current VLT- and future VLTI-observations. (to appear in the Astrophysical Journal), 2008. [PUMA: 2008 vis(us) visus visus:muelleta]
Analytic observation of a star orbiting a Schwarzschild black hole. Gen. Rel. Grav., (41)2008. [PUMA: 2008 relavis vis(us) visus visus:muelleta] URL
Wave Fronts in General Relativity Theory. Proceedings of the Eleventh Marcel Grossmann Meeting on General Relativity, 2008. [PUMA: 2008 vis(us) visus visus:grave visus:muelleta]