![The use constructed wetlands with horizontal sub-surface flow for various types of wastewater - ScienceDirect The use constructed wetlands with horizontal sub-surface flow for various types of wastewater - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0925857408X00138-cov150h.gif)
The use constructed wetlands with horizontal sub-surface flow for various types of wastewater - ScienceDirect
![PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003. PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003.](https://i1.rgstatic.net/publication/262601332_Gobran_GR_and_N_Lepp_eds_2003_Conference_proceedings_of_4_volumes_International_Conferences_of_Biogeochemistry_of_Trace_Elements_7th_ICOBTE_2003_June_15_-_19_2003/links/5622598708ae70315b58dd05/largepreview.png)
PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003.
![PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003. PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003.](https://www.researchgate.net/profile/George-Gobran-2/publication/262601332/figure/fig3/AS:669492661211140@1536630897173/soil-pH-dependence-of-the-ISO-test_Q320.jpg)
PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003.
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![PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003. PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003.](https://www.researchgate.net/profile/George-Gobran-2/publication/262601332/figure/fig2/AS:669492661202945@1536630897160/Concentration-ranges-of-Li-Cu-Zn-and-Bi-in-Miyagi-and-nationwide-soils_Q320.jpg)
PDF) Gobran, G.R. and N. Lepp (eds.). 2003. Conference proceedings of 4 volumes “International Conferences of “Biogeochemistry of Trace Elements, 7th ICOBTE 2003” June 15 – 19, 2003.
![The use constructed wetlands with horizontal sub-surface flow for various types of wastewater - ScienceDirect The use constructed wetlands with horizontal sub-surface flow for various types of wastewater - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0925857408001882-gr1.jpg)