@TECHREPORT{cosmo2007, 
  TITLE = "Toward Petascale Cosmological Simulations with ChaNGa",
  AUTHOR = "Filippo Gioachin and Pritish Jetley and Celso L. Mendes and Laxmikant V. Kale and Thomas R. Quinn",
  INSTITURION = "Parallel Programming Laboratory, Department of
          Computer Science, University of Illinois at
          Urbana-Champaign",
  NUMBER = "07-08",
  YEAR = "2007"
}