00403nam a22001097a 4500 230714b |||||||| |||| 00| 0 eng d National Science Library National Science Library Solar distillation: As a means of meeting small-scale water demands / Department of Economic and Social Affairs New York: United Nations, 1970 86p. udc REF 52635 52635 0 0 udc 0 0 84585 NSL NSL GF/Rk-8/C-8/R-2 1972-01-10 0 42198 2023-07-14 00:00:00 1972-01-10 REF