- * This program is based on work by Isabella Bierenbaum and Dirk Kreimer.
- * For details, please see the diploma theses of Isabella Bierenbaum.
+ * This program is based on work by
+ * Isabella Bierenbaum <bierenbaum@thep.physik.uni-mainz.de> and
+ * Dirk Kreimer <dkreimer@bu.edu>.
+ * For details, please ask for the diploma theses of Isabella Bierenbaum.
+ * Also, this file is based on an early version of their program, they now
+ * have production-code that is somewhat more efficient than the stuff below.