@article{Hulliger1982,
    author = "Hulliger, F. and Landolt, M. and Schmelczer, R.",
    title = "Low-temperature behavior of Dy S, Dy Se, Ho S and Ho Se",
    journal = "Rare Earths in Modern Science and Technology",
    year = "1982",
    volume = "3",
    pages = "455-458",
    ASTM_id = "REMTDV"
}

@article{Fischer1985,
    author = "Fischer, P. and Halg, W. and Hulliger, F.",
    title = "Magnetic ordering in HoBi, HoS, ErS and ErSe",
    journal = "Physica B and C (Netherland) (79,1975-)",
    year = "1985",
    volume = "130",
    pages = "551-554",
    ASTM_id = "PHBCDQ"
}

@article{Bruzzone1961,
    author = "Bruzzone, G.",
    title = "Structural and magnetic properties of M X compounds formed between Ho and the group V and VI metalloids",
    journal = "Atti della Accademia Nazionale dei Lincei, Classe di Fisiche, Matematiche e Naturali, Rendiconti",
    year = "1961",
    volume = "30",
    pages = "208-213",
    ASTM_id = "AANLAW"
}