@article{ ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTgzNTYvOTc4OTIxNDAzMDE0MGMwMDY, title = {The United Nations World Water Development Report 2021: Prologue The state of water resources}, journal = {The United Nations World Water Development Report 2021}, pages = {11-16}, author = {}, publisher = {United Nations}, year = {2021}, issn = {2707-0816}, language = {Undetermined}, url = {http://dx.doi.org/10.18356/9789214030140c006}, url = {https://katalog.ba-sachsen.de/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTgzNTYvOTc4OTIxNDAzMDE0MGMwMDY} }