A. V. Danilychev, V. A. Apkarian, H. Kajihara, S. Tanaka, and S. Koda, Atomic oxygen in solid deuterium: Low-Temperature Physics and Chemistry in Cryomatrice, Low Temp. Phys. 26, (2000) [Fiz. Nizk. Temp. 26, 909-917, (2000)] DOI: https://doi.org/10.1063/1.1312393.