New document added to the group. Group: Water. Discoveries of ecology of water quality improvement, water self-purification. On some issues of maintaining water quality and self-purification

New document added to the group.

Group:

Water. Discoveries of ecology of water quality improvement, water self-purification

http://www.mendeley.com/groups/6020891/water-discoveries-of-ecology-of-water-quality-improvement-water-self-purification/

Document added:

On some issues of maintaining water quality and self-purification

http://5bio5.blogspot.com/2014/12/new-document-added-to-group-group-water.html



Beauty of water, a river:

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