Water-power -- Kyrgyzstan. / https://id.loc.gov/authorities/subjects/sh85145596 https://id.loc.gov/authorities/names/n91129681-781 : Féaux de la Croix, Jeanne.
Water-power -- Technological innovations -- United States. / https://id.loc.gov/authorities/subjects/sh85145596 https://id.loc.gov/authorities/subjects/sh2001009095 https://id.loc.gov/authorities/names/n78095330-781 : National Research Council (U.S.).
Water-power -- United States -- Finance. / https://id.loc.gov/authorities/subjects/sh2008113392 https://id.loc.gov/authorities/subjects/sh2002007885 : United States.
Water -- Purification -- Popular works. / https://id.loc.gov/authorities/subjects/sh85145478 https://id.loc.gov/authorities/subjects/sh99001720 : Vigil, Kenneth M.
Water -- Purification -- United States -- Finance. / https://id.loc.gov/authorities/subjects/sh85145478 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh2002007885 : United States.
Water quality bioassay -- Congresses. / https://id.loc.gov/authorities/subjects/sh2010118301 : Symposium on Biological Monitoring of Water and Effluent Quality
Here are entered works on evaluation of the condition of a body of water based on surveys and other measurements of the resident biota. Works on testing to determine the degree of pollution of water by comparing its effect on a living organism with the effect of a standard preparation are entered under Water quality bioassay.