@article{Rieger1969,
    author = "Rieger, W. and Parthe, E.",
    title = "Ternaere Erdalkali- und Seltene Erdmetall-Silicide und-Germanide mit ThCr2Si2-Struktur",
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    ASTM_id = "MOCMB7"
}

@article{Andre1995,
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    title = "Magnetic structures of R Ni2 Ge2 (R= Dy, Ho and Er) and Yb Ni2 Si2",
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    year = "1995",
    volume = "224",
    pages = "253-261",
    ASTM_id = "JALCEU"
}

@article{NongLiangQi1999,
    author = "Qin, Nong Liang and Min, Zeng Ling",
    title = "X-ray powder diffraction study of Er Ni2 Ge2",
    journal = "Powder Diffraction",
    year = "1999",
    volume = "14",
    pages = "145-146",
    ASTM_id = "PODIE2"
}