Shvartsev S. L. Stepan Lvovich & Zektser I. S. (2001). Fundamental Issues of Water and Water Resources; Water Resources; Vol. 28, iss. 3. 2001. https://doi.org/10.1023/A:1010465127224
Lua i Stíl Chicago (17ú heag.)Shvartsev S. L. Stepan Lvovich agus Zektser I. S. Fundamental Issues of Water and Water Resources; Water Resources; Vol. 28, Iss. 3. 2001, 2001. https://doi.org/10.1023/A:1010465127224.
Lua MLA (9ú heag.)Shvartsev S. L. Stepan Lvovich agus Zektser I. S. Fundamental Issues of Water and Water Resources; Water Resources; Vol. 28, Iss. 3. 2001, 2001. https://doi.org/10.1023/A:1010465127224.
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