@article{Bagieu1973,
    author = "Bagieu, M. and Tordjman, I. and Durif, A. and Bassi, G.",
    title = "Holmium ultraphosphate, Ho P5 O14",
    journal = "Crystal Structure Communications",
    year = "1973",
    volume = "2",
    pages = "387-390",
    ASTM_id = "CSCMCS"
}