@article{Olson1966,
    author = "Olson, W.M. and Mulford, R.N.R.",
    title = "The melting point and decompostion pressure of neptunium mononitride",
    journal = "Journal of Physical Chemistry",
    year = "1966",
    volume = "70",
    pages = "2932-2934",
    ASTM_id = "JPCHAX"
}

@article{Lander1974,
    author = "Lander, G.H. and Mueller, M.H.",
    title = "Magnetically induced lattice distortions in actinide compounds",
    journal = "Physical Review, Serie 3. B - Solid State (1,1970-17,1977)",
    year = "1974",
    volume = "10",
    pages = "1994-2003",
    ASTM_id = "PLRBAQ"
}

@article{Shibata2010,
    author = "Shibata, H. and Tsuru, T. and Hirata, M. and Kaji, Y.",
    title = "First principles study on elastic properties and phase transition of Np N",
    journal = "Journal of Nuclear Materials",
    year = "2010",
    volume = "401",
    pages = "113-117",
    ASTM_id = "JNUMAM"
}

@article{Zachariasen1949,
    author = "Zachariasen, W.H.",
    title = "Crystal chemical studies of the 5f-series of elements XII.New compounds representing known structure types",
    journal = "Acta Crystallographica (1,1948-23,1967)",
    year = "1949",
    volume = "2",
    pages = "388-390",
    ASTM_id = "ACCRA9"
}

@article{Silva2012,
    author = "Silva, G.W.C. and Weck, P.F. and Eunja, Kim and Yeamans, C. B. and Cerefice, G. S. and Sattelberger, A.P. and Czerwinski, K.R.",
    title = "Crystal and electronic structures of neptunium nitrides synthesized using a fluoride route",
    journal = "Journal of the American Chemical Society",
    year = "2012",
    volume = "134",
    pages = "3111-3119",
    ASTM_id = "JACSAT"
}