Grubmüller, H. Department of Theoretical and Computational Biophysics, MPI for biophysical chemistry, Max Planck Society;
http://ac.els-cdn.com/026378559380009G/1-s2.0-026378559380009G-main.pdf?_tid=04f04c28-8668-11e2-96b9-00000aab0f6c&acdnat=1362579389_fe832a04428fed068c9b0e9bda2ac8dc (Verlagsversion)
Grubmüller, H., Döhring, K., Tavan, P., Nonella, M., & Oesterhelt, D. (1993). BR at work: a computeranimation for the 13-14-cis-model of the photochemical cycle of bacteriorhodopsin. Journal of molecular graphics, 11(4), 258.
