*<aid="[0]">[0]</a> [ETSI TS 103 410-10 (V1.1.1)](https://www.etsi.org/deliver/etsi_ts/103400_103499/10341010/01.01.01_60/ts_10341010v010101p.pdf): "SmartM2M;; Extension to SAREF; Part 10: Water Domain".
*<aid="[1]">[1]</a> ETSI TS 103 264 (V3.1.1) (02-2020): "SmartM2M; Smart Applications; Reference Ontology and oneM2M Mapping".
*<aid="[2]">[2]</a> ETSI TS 103 410-4 (V1.1.2) (05-2020): "SmartM2M; Extension to SAREF; Part 4: Smart Cities Domain".
### Informative references
## Informative references
*<aid="[i.1]">[i.1]</a> ETSI TR 103 547 (V1.1.1) (10-2019): "SmartM2M; SAREF extension investigation; Requirements for the Water domain".
*<aid="[i.2]">[i.2]</a> EN 13757-2:2017: "Communication systems for meters - Part 2: Wired M-Bus communication", (produced by CEN).