Structural investigation of three distinct amorphous forms of Ar hydrate. P.H.B. Brant Carvalho, P.I.R. Moraes, A.A. Leitão, O. Andersson, C.A. Tulk, J.J. Molaison, A.P. Lyubartsev, and U. Häussermann, RSC Advances 11 (49), 30744-30754 (2021); https://doi.org/10.1039/D1RA05697B