Schletterer, M., Füreder, L., Kuzovlev, V. V., Zhenikov, K. Y., & Zhenikov, Y. N. (2016). REFCOND-VOLGA: a monitoring programme for water quality in the headwaters of the Volga River (Tver region, Russia). Revista Eletrônica De Gestão E Tecnologias Ambientais, 4(1), 18–40. https://doi.org/10.9771/gesta.v4i1.16288