Heyns, A. (1998). "The Vibrational Spectra and Decomposition of α-Calcium Nitride (α-Ca3N2) and Magnesium Nitride (Mg3N2)". Journal of Solid State Chemistry. 137 (1): 33–41. Bibcode:1998JSSCh.137...33H. doi:10.1006/jssc.1997.7672.
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Heyns, A. (1998). "The Vibrational Spectra and Decomposition of α-Calcium Nitride (α-Ca3N2) and Magnesium Nitride (Mg3N2)". Journal of Solid State Chemistry. 137 (1): 33–41. Bibcode:1998JSSCh.137...33H. doi:10.1006/jssc.1997.7672.