Characterizing lenses and lensed stars of high-magnification single-lens gravitational microlensing events with lenses passing over source stars - Choi, Jong-yeon; Wambsganß, Joachim; Zub, Marta; Liebig, Christine; Proft, Svea; Schönebeck, Frederik; Zimmer, Fabian (Arxiv, 2012)