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Allred, V. D.; Buxton, S. R.; McBride, J. P. (1957). “Characteristic Properties of Thorium. Oxide Particles”. The Journal of Physical Chemistry61 (1): 117-120. doi:10.1021/j150547a029. ISSN0022-3654.
Murphy, Richard; Grant, Nicholas J. (2014). “PROPERTIES OF NICKEL-THORIA ALLOYS PREPARED BY THERMAL DECOMPOSITION OF THORIUM NITRATE”. Powder Metallurgy5 (10): 1-12. doi:10.1179/pom.1962.5.10.001. ISSN0032-5899.