Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 305.
Clark (1993): 494.
Burke, Ernest A.J. (2007) A Mass Discreditation of GQN Minerals. Canadian Mineralogist: 44(6): 1557-1560.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Belakovski D.I.., Moskalev I.V.
Natural ammonium nitrate from the products of selffiring coal layers in Kukhi-Malik valley (Central Tajikistan).
Novye dannye o mineralakh, 1988, v.35, p. 191-194. (Russian)