Authors: Schultheiss, D Muller, SV Nager, W Stief, CG Schlote, N Jonas, U Asvestis, C Johannes, S Munte, TF

Citation: D. Schultheiss et al., Central effects of sildenafil (Viagra) on auditory selective attention andverbal recognition memory in humans: a study with event-related brain potentials, WORLD J URO, 19(1), 2001, pp. 46-50

Authors: Muller, SV Racoviteanu, AE Walker, DA

Citation: Sv. Muller et al., Landsat MSS-derived land-cover map of northern Alaska: extrapolation methods and a comparison with photo-interpreted and AVHRR-derived maps, INT J REMOT, 20(15-16), 1999, pp. 2921-2946