References
[1] Nasa Reuse Readiness Levels (RRLs), https://cdn.earthdata.nasa.gov/conduit/upload/2004/RRLs_v1.0.pdf
[2] The FitSM Standard, https://fitsm.itemo.org/fitsm
[3] EOSC Technology Readiness Levels (TRLs), https://wiki.eosc-hub.eu/display/EOSC/Service+Maturity+Classification
[4] HORIZON 2020 WORK PROGRAMME 2016– 2017, 20. General Annexes, G. EC Technology Readiness Levels, https://ec.europa.eu/research/participants/data/ref/h2020/other/wp/2016-2017/annexes/h2020-wp1617-annex-ga_en.pdf
[5] The EOSC portal, https://marketplace.eosc-portal.eu/