© Policy Press 2018
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is attributed. The derivative works do not need to be licensed on the same terms.
Except where otherwise noted, this item's license is described as © Policy Press 2018 The digital PDF version of this title is available Open Access and distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 license (http://creativecommons. org/licenses/cc-by-nc/4.0/) which permits adaptation, alteration, reproduction and distribution for non-commercial use, without further permission provided the original work is attributed. The derivative works do not need to be licensed on the same terms.