@article {1,
    author = "Last1--,--First1-- and Last2,-First2 and Last3 -, First3"
}
@article {2,
    author = "Last1, First1,and and and,Last2 and T1,T2,T3,T4"
}
@article {3,
    author = ""
}
@article {4,
    author = "and"
}
@article {5,
	author = "AA BB",
}
@article {6,
	author = "AA",
}
@article {7,
	author = "AA bb",
}
@article {8,
	author = "aa",
}
@article {9,
	author = "AA bb CC",
}
@article {10,
	author = "AA bb CC dd EE",
}
@article {11,
	author = "AA 1B cc dd",
}
@article {12,
	author = "AA 1b cc dd",
}
@article {13,
	author = "AA {b}B cc dd",
}
@article {14,
	author = "AA {b}b cc dd",
}
@article {15,
	author = "AA {B}b cc dd",
}
@article {16,
	author = "AA {B}B cc dd",
}
@article {17,
	author = "AA \\BB{b} cc dd",
}
@article {18,
	author = "AA \\bb{b} cc dd",
}
@article {19,
	author = "AA {bb} cc DD",
}
@article {20,
	author = "AA bb {cc} DD",
}
@article {21,
	author = "AA {bb} CC",
}
@article {22,
	author = "bb CC, AA",
}
@article {23,
	author = "bb CC, aa",
}
@article {24,
	author = "bb CC dd EE, AA",
}
@article {25,
	author = "bb, AA",
}
@article {26,
	author = "BB,",
}
@article {27,
	author = "bb CC,XX, AA",
}
@article {28,
	author = "bb CC,xx, AA",
}
@article {29,
    author = "BB,, AA",
}