Olofson also coauthored a few papers with Holmlid in 2003 and over the 2010-2014 period.

From the above paper it sounds as if a simple experiment giving a spontaneous signal similar to what Holmlid et al. have observed many times could be heating up to elevated temperature iron powder with slight amounts of alkaline/caustic water solution in…

I just noticed this got published from Holmlid, Olofson (not the same person as Ólafsson) and Gall:

Consumption of Hydrogen by Annihilation Reactions in Ultradense Hydrogen H(0) Contributed to Form a Hot and Dry Venus

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