Work cat.: Woods, T.L. Thermodynamic values at low temperature for natural inorganic materials, 1987.

Hackh chem. dict. (inorganic compound: a substance containing an electropositive element or radical and an electronegative element or radical)

Hawley chem. dict. (inorganic: any compound that does not contain the element carbon [exceptions listed, e.g. carbonates]; inorganic compounds)

Web. 3 (inorganic: an inorganic substance)

TEST.