Even unimodular 12-dimensional quadratic forms over Q(√5)

@article{Costello1987EvenU1,
  title={Even unimodular 12-dimensional quadratic forms over Q(√5)},
  author={Patrick J. Costello and John S. Hsia},
  journal={Advances in Mathematics},
  year={1987},
  volume={64},
  pages={241-278}
}
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