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   url = {https://www.jstatsoft.org/index.php/jss/article/view/v050i13}
}
\\
@ARTICLE{Gower1971,
AUTHOR="J.C. Gower",
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JOURNAL="Biometrics",
VOLUME= "27",
ISSUE = "4",
PAGES= "857--871",
YEAR=1971
}
\\
@article{Hummel2016,
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   volume = {},
   number = {},
   pages = {},   
   year = {}
}
\\
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AUTHOR="J. Podani",
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YEAR=1999
}