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3. (b) K. Yvon, Hydrides: solid state transition metal hydride complexes, in: R.B. King (Ed.), Encyclopedia of Inorganic Chemistry, Wiley, New York, 1994, p. 1401.
4. Ternary hydrides of calcium and strontium with iridium, rhodium and ruthenium
5. Reaction of hydrogen with alloys of magnesium and nickel and the formation of Mg2NiH4