00452nam a22001577a 4500 230519b |||||||| |||| 00| 0 eng d National Science Library National Science Library 620.91 L5 Ion, D C 9388 Availability of water energy resources United Kingdom: Graham & Trotman Ltd., 1975 234p. Resources Energy udc BK 32173 32173 0 0 udc 0 62091_L5 0 48767 NSL NSL GF/Rk-10/C-14/R-6 2023-05-19 0 620.91 L5 67143 2023-05-19 00:00:00 2023-05-19 BK 0 0 udc 0 62091_L5M0 0 48770 NSL NSL GF/Rk-10/C-14/R-6 2023-05-19 0 620.91 L5;M0 102037 2023-05-19 00:00:00 2023-05-19 BK