Cremer, M., R. Zinner, S. Stein, H. Albiez, B. Wagler, C. Cremer, and T. Cremer. “Three Dimensional Analysis of Histone Methylation Patterns in Normal and Tumor Cell Nuclei”. European Journal of Histochemistry, Vol. 48, no. 1, June 2009, pp. 15-28, doi:10.4081/855.