@article{Knobloch2010,
  author    = {Eberhard Knobloch},
  title     = {Herbert Pieper zum 65. Geburtstag},
  journal   = {Alexander von Humboldt im Netz ; international review for Humboldtian studies},
  series    = {ein R{\"u}ckblick},
  volume    = {IX},
  number    = {16},
  pages     = {5 -- 9},
  year      = {2010},
}