Nellis, W. J.; Ruoff, A. L.; Silvera, I. S. (2012). «Has Metallic Hydrogen Been Made in a Diamond Anvil Cell?». arXiv:1201.0407 [cond-mat.other]. «no evidence for MH».
Dias, R.; Silvera, I. F. (2016). «Observation of the Wigner-Huntington Transition to Solid Metallic Hydrogen». arXiv:1610.01634 [cond-mat].