@article{Rieger1970,
    author = "Rieger, W.",
    title = "Die Kristallstruktur von Gd6 Cu8 Gr8 und isotypen Phasen",
    journal = "Monatshefte fuer Chemie",
    year = "1970",
    volume = "101",
    pages = "449-462",
    ASTM_id = "MOCMB7"
}

@article{Wawrzynska2003,
    author = "Wawrzynska, E. and Hernandez-Velasco, J. and Penc, B. and Szytula, A. and Zygmunt, A.",
    title = "Magnetic structures of R3 Cu4 Ge4 (R = Tb, Dy, Ho, Er)",
    journal = "Journal of Magnetism and Magnetic Materials",
    year = "2003",
    volume = "264",
    pages = "192-201",
    ASTM_id = "JMMMDC"
}