@article{LoksteinHoextermannLeupoldetal.2009,
  author    = {Heiko Lokstein and Ekkehard Hoextermann and Dieter Leupold and Gyoezoe Garab and Gernot Renger},
  title     = {A tribute : Professor Dr. Paul Hoffmann (March 28, 1931-July 10, 2008), a scientist with a great collaborative spirit},
  doi       = {10.1007/s11120-009-9414-6},
  url       = {http://www.springerlink.com/content/100325},
  year      = {2009},
}