| A.N. Kostyakov - Charts of water use |
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| Written by Iskander Beglov | |
| Friday, 23 July 2010 | |
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A.N. Kostyakov - Charts of water use (1918) in Russian
Details: http://www.cawater-info.net/library/rus/kostyakov/index.htm |
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| Last Updated ( Monday, 27 December 2010 ) |
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