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Citing CCL
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This code has been released by DESC, and it is under active development.
The first version of the code was accompanied by a journal paper that describes
the development and validation of `CCL`, which you can find on the
`arxiv <https://arxiv.org/abs/1812.05995>`_. If you make use of
the ideas or software here, please cite that paper and provide a link to the
repository ``https://github.com/LSSTDESC/CCL``. You are welcome to re-use the
code, which is open source and available under terms consistent with our
`LICENSE <https://github.com/LSSTDESC/CCL/blob/master/LICENSE>`_
(`BSD 3-Clause <https://opensource.org/licenses/BSD-3-Clause>`_).

If you use any of the external packages that CCL can take advantage of (e.g.
``CLASS``, ``CAMB``, ``FAST-PT``, ``velocileptors``, or any of the emulators),
you should adhere to the corresponding licenses and cite the associated papers.