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License |
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ACS AuthorChoice [4] |
ACS AuthorChoice License [13] |
CC BY 2.0 UK [1] |
CC BY 2.0 Unported [103] |
CC BY 3.0 DE [2266] |
CC BY 3.0 EN [1] |
CC BY 3.0 IGO [2] |
CC BY 3.0 Unported [1059] |
CC BY 3.0 US [22] |
CC BY 4.0 Unported [1] |
CC BY 4.0 Unported [4687] |
CC BY-NC 2.0 UK [2] |
CC BY-NC 2.0 Unported [9] |
CC BY-NC 2.5 Unported [8] |
CC BY-NC 3.0 DE [85] |
CC BY-NC 3.0 Unported [131] |
CC BY-NC 4.0 Unported [1] |
CC BY-NC 4.0 Unported [256] |
CC BY-NC-ND 3.0 DE [106] |
CC BY-NC-ND 3.0 Unported [467] |
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