Nuclear fusion 61(12), 125001-(2021). doi:10.1088/1741-4326/ac31d6 Van Der Meiden, H J, Almaviva, S, Butikova, J, Dwivedi, V, Gasior, P, Gromelski, W, Hakola, A, Jiang, X, J gi, I, Karhunen, J, Kubkowska, M, Laan, M, Maddaluno, G, Marín-Roldán, A, Paris, P, Piip, K, Pisarčík, M, Sergienko, G, Veis, M, Veis, P & Brezinsek, S 2021, ' Monitoring of tritium and impurities in the first wall of fusion devices using a LIBS based diagnostic ', Nuclear Fusion, vol. 61, no. 12, 125001 . https://doi.org/10.1088/1741-4326/ac31d6 Nuclear Fusion, 61, 125001