对于以下参赛作品
@article {CAIM:CAIM475,
author = {Gassmann, Oliver and Zeschky, Marco},
title = {Opening up the Solution Space: The Role of Analogical Thinking for Breakthrough Product Innovation},
journal = {Creativity and Innovation Management},
volume = {17},
number = {2},
publisher = {Blackwell Publishing Ltd},
issn = {1467-8691},
url = {http://dx.doi.org/10.1111/j.1467-8691.2008.00475.x},
doi = {10.1111/j.1467-8691.2008.00475.x},
pages = {97--106},
year = {2008},
}
我得到了错误
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l.8 ...x.doi.org/10.1111/j.1467-8691.2008.00475.x}
如果我删除 url 条目，该错误就会消失。我确信语法有问题。我从文章网站导出了 bibtex 引文：
http://onlinelibrary.wiley.com/doi/10.1111/j.1467-8691.2008.00475.x/full
关于 URL 行有什么问题，有什么线索吗？