↑ Powder Diffraction File 00-034-0529, International Centre for Diffraction Data, 1983.
↑ Giles, P. M.; Longenbach, M. H.; Marder, A. R. (1971). “High-Pressure α⇄ɛ Martensitic Transformation in Iron”. Journal of Applied Physics. 42 (11): 4290–5. doi:10.1063/1.1659768.