@ARTICLE{test1,
 AUTHOR = {Arthur Smith and James Jones and Bill Smiley and Jake Wrath},
 JOURNALTITLE = {A Journal},
 YEAR   = {2010}
}

@ARTICLE{test2,
 AUTHOR = {Philippa Smyth and Arthur Smith and Bill Likely},
 JOURNALTITLE = {Another Journal},
 YEAR   = {2011}
}

@ARTICLE{test3,
 AUTHOR = {Arthur Smith},
 JOURNALTITLE = {The Best Journal},
 YEAR   = {2013}
}

@ARTICLE{test4,
 AUTHOR = {Philippa Smyth and Arthur Smith and James Jones},
 JOURNALTITLE = {Again Another Journal},
 YEAR   = {2014}
}