2010, A proposal for a worldwide definition of health resort medicine, balneology, medical hydrology and climatology

Gutenbrunner C., Bender T., Cantista B & Karagülle Z.

Int.J. Biometeorol. 2010;54:495-507. Doi: 10.1007/s00484-010-0321-5

https://pubmed.ncbi.nlm.nih.gov/20532921/