@inbook{48415,
  author       = {{Prediger, Susanne and Wessel, Lena}},
  booktitle    = {{Proceedings of the ICMI Study 21 - Mathematics and Language Diversity}},
  editor       = {{Setati, M. and Nkambule, T. and Goosen, L.}},
  pages        = {{324–333}},
  title        = {{{Relating registers for fractions–multilingual students on their way to conceptual understanding}}},
  year         = {{2011}},
}