Desalination research and the water problem

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi rangatōpū: Office of Saline Water (Author), The National Science Foundation (Author)
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Washington, D.C National Academy of Sciences 1962
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!