@unpublished{KniegeCollaboration2005,
  author  = {Stefan Kniege and NA49 Collaboration},
  title   = {Rapidity and transverse momentum dependence of pion-pion Bose-Einstein correlations measured at 20, 30, 40, 80, and 158 AGeV beam energy},
  institution = {Physik},
  year    = {2005},
}