@misc{SchmidtSchaussSabelMachkasova2013,
  author    = {Manfred Schmidt-Schauß and David Sabel and Elena Machkasova},
  title     = {Simulation in the call-by-need lambda-calculus with letrec, case, constructors, and seq},
  booktitle = {Technical report Frank / Johann-Wolfgang-Goethe-Universit{\"a}t, Fachbereich Informatik und Mathematik, Institut f{\"u}r Informatik ; 49},
  number    = {Vers. 22. August 2013},
  url       = {http://www.ki.informatik.uni-frankfurt.de/papers/schauss/frank-49v2.pdf},
  institution = {Informatik},
  series    = {Technical report Frank / Johann-Wolfgang-Goethe-Universit{\"a}t, Fachbereich Informatik und Mathematik, Institut f{\"u}r Informatik},
  number    = {49 [v.2]},
  type      = {workingpaper},
  pages     = {1 -- 42},
  year        = {2013},
}