Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 10 references without a DOI — listed, not checked
no DOI — not checkedBezmen, N.I., Egorov, V.K., Novikov, G.V., Odinets, G.Yu., Chichagov, A.B.: Study of vacancy ordering in hexagonal pyrrhotites by means of a nuclear gamma-resonance. In: Ocherki phisicokhimichesk oi petrologii. Vyp. 5, 5?8. Nauka Moscow, 1975 [in Russian]
no DOI — not checkedFleet, M.E.: On the lattice parameters and superstructures of pyrrhotites. Amer. Mineral. 53, 1846?1855 (1968)
no DOI — not checkedKozerenko, S.V.: Phase relations and composition of iron sulfides. Thesis. Vernadsky Inst. Geochim. Analit. Chim. Akad. Nauk SSSR, Moscow 1972 [in Russian]
no DOI — not checkedNovikov, G.V., Egorov, V.K., Popov, V.I., Bezmen, N.I.: Investigation of magnetic transformation in high-temperature hexagonal iron sulfide by nuclear gamma-resonance method. Geochimija N7, 1107?1111 (1975) [in Russian]
no DOI — not checkedNovikov, G.V., Egorov, V.K., Popov, V.I., Sipavina, L.V.: ?-transformation in iron sulfide Fe1?x S. Proc. Intern. Conf. Mössb. Spectroscopy. Poland-Cracow. 1975 vol. I, p. 391
no DOI — not checkedNovikov, G.V., Egorov, V.K., Popov, V.I., Sipavina, L.V., Odinets, G.Yu.: Investigation on phase transformations in iron-rich pyrrhotites by nuclear gamma-resonance and powder diffraction methods. Geochimija N12, 1776?1784 (1975) [in Russian]
no DOI — not checkedSparks, J., Mead, W., Komoto, T.: Neutron diffraction investigation of the magnetic and structural properties of nearstoichiometric iron sulfide. J. Phys. Soc. Jap. 17, Suppl. B-I, 249 (1962)
no DOI — not checkedTaylor, A.L.: Low-temperature phase relations in the Fe-S system. Carnegie Inst. Wash. Year Book 68, 259?270 (1970)
no DOI — not checkedThiel, R.C.: A Mössbauer study in the troilite-pyrrhotite system. Doctoral Thesis. University of Groningen. Netherlands 1969
no DOI — not checkedWard, J.C.: The structure and properties of some iron sulfides. Rev. Pure and Appl. Chem. 20, 175?206 (1970)
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