@article{Zak1998,
    author = "Zak, Z. and Ruzicka, A. and Michot, C.",
    title = "Structures of bis(fluorosulfonyl)imide H N (S O2 F)2, bis(trifluoromethylsulfonyl)imide H N (S O2 C F3)2, and their potassium salts at 150 K",
    journal = "Zeitschrift fuer Kristallographie (1979-2010)",
    year = "1998",
    volume = "213",
    pages = "217-222",
    ASTM_id = "ZEKRDZ"
}

@article{Matsumoto2013,
    author = "Matsumoto, Kazuhiko and Oka, Takaaki and Nohira, Toshiyuki and Hagiwara, Rika",
    title = "Polymorphism of alkali bis(fluorosulfonyl)amides (M [N (S O2 F)2], M = Na, K, and Cs)",
    journal = "Inorganic Chemistry",
    year = "2013",
    volume = "52",
    pages = "568-576",
    ASTM_id = "INOCAJ"
}