@article{Mardix1967,
    author = "Mardix, S. and Alexander, E. and Brafman, O. and Steinberger, I.T.",
    title = "Polytype families in zinc sulfide crystals",
    journal = "Acta Crystallographica (1,1948-23,1967)",
    year = "1967",
    volume = "22",
    pages = "808-812",
    ASTM_id = "ACCRA9"
}