@phdthesis{Wulf2012,
  author    = {Wulf, Sabine},
  title     = {Methods and applications of tephrochronology in sedimentary archives},
  address   = {Potsdam},
  pages     = {141 S.},
  year      = {2012},
  language  = {en}
}
@phdthesis{Wulf2000,
  author    = {Wulf, Sabine},
  title     = {Das tephrochronologische Referenzprofil des Lago Grande di Monticchio : eine detallierte Stratigraphie des s{\"u}ditalienischen explosiven Vulkanismus der letzten 100.000 Jahre},
  pages     = {124 S. : Anl.},
  year      = {2000},
  language  = {de}
}