@BOOK{L1,
  TITLE		    = {Title 1},
  YEAR		    = {1995},
  PUBLISHER         = {puba}
}

@BOOK{L2,
  TITLE		    = {Title 1},
  YEAR		    = {1995},
  PUBLISHER         = {pubb}
}

@BOOK{L3,
  AUTHOR            = {Jim Smith},
  YEAR		    = {1995},
}

@BOOK{L4,
  TITLE		    = {Title 1},
  YEAR		    = {1996},
}

@BOOK{L5,
  SHORTTITLE        = {Title A},
  TITLE		    = {Title 1},
  YEAR		    = {1995},
}

@BOOK{LY1,
 AUTHOR  = {Arthur Example},
 DATE    = {2006/2009},
 TITLE   = {Some title}
}

@BOOK{LY2,
 AUTHOR  = {Arthur Example},
 DATE    = {2006},
 TITLE   = {Some title}
}

@BOOK{LY3,
 AUTHOR  = {Arthur Example},
 DATE    = {2006/},
 TITLE   = {Some title}
}
