(1)
A.I. Strom, K.L. Fillmore, and D. T. Anderson, Hydrogen atom catalyzed ortho-to-para conversion in solid molecular hydrogen, Low Temp. Phys. 45, (2019) [Fiz. Nizk. Temp. 45, 789-803, (2019)] DOI: https://doi.org/10.1063/1.5103261.