@Article{Abd14,
author = "J. Peter and A Abdulkadir and C. Kaller and D. Kuemmerer and M. Huell and W. Vach and S. Kloeppel",
title = "Subgroups of Alzheimers Disease - Stability of Empirical Clusters Over Time",
journal = "Journal of Alzheimers Disease",
number = "2",
volume = "42",
pages = "651--661",
year = "2014",
url = "http://lmb.informatik.uni-freiburg.de/Publications/2014/Abd14"
}