The elemental and fractional composition of humic substances in sediments of lakes of the taiga zone of the Tyumen region - PDF (Russian)
Copyright (c) 2014 Shigabaeva G.N.
![Creative Commons License](http://licensebuttons.net/l/by-nc-nd/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.