Plank, M. and Onton, J. and Muller, Hermann J. and Makeig, S. and Gramann, K. (2010) Human EEG correlates of spatial navigation within egocentric and allocentric reference frames. In: Goebel, R. and Siekmann, J. and Wahlster, W. (eds.) Spatial Cognition VII. Lecture Notes in Artificial Intelligence 6222. Berlin, Germany: Springer, pp. 191-206. ISBN 9783642147487.

Gramann, K. and Onton, J. and Riccobon, D. and Muller, Hermann J. and Bardins, S. and Makeig, S. (2010) Human brain dynamics accompanying use of egocentric and allocentric reference frames during navigation. Journal of Cognitive Neuroscience 22 (12), pp. 2836-2849. ISSN 0898-929X.

Plank, M. and Muller, Hermann J. and Makeig, S. and Onton, J. and Gramann, K. (2009) VR as promising tool for experimental research on human spatial navigation. In: Welke, S. and Kolrep, H. and Rötting, M. (eds.) Biophysiologische Interfaces in der Mensch-Maschine-Interaktion. Dusseldorf, Germany: VDI Verlag, pp. 50-62. ISBN 9783183030224.