Citation in Europe. Citation of papers, books, - environmental science, ecology, water quality improvement, biology -
authored, co-authored by Sergei A. Ostroumov;
- https://www.researchgate.net/publication/263082599 ;
Citation in EUROPE of publications of Moscow University (Fulbright award winning researcher), ecology, environmental science, biology,
U.K., France, Germany, Switzerland, Belgium, Austria, England, Denmark, Poland, Italy, Ukraine, Czech Republic, Sweden, Finland, Spain, Bulgaria, Hungary, Romania. Moldova. Slovakia, Belarus,
https://5bio5.blogspot.com/2018/03/europe.html