Agnew, N; Machin, G; Riis, E; Arnold, A S (2024) Practical Doppler broadening thermometry. AIP Conference Proceedings, 3230 (1). 110002

Akhtar, M; Wilpers, G; Choonee, K; Riis, E; Sinclair, A G (2019) Radio-frequency microplasmas with energies suited to in situ selective cleaning of surface adsorbates in ion microtraps. Journal of Physics B: Atomic, Molecular and Optical Physics, 52 (5). 055001 ISSN 0953-4075