The GEF - Baltic Sea Regional Project - monitoring and assessment of non-point source pollutionDeelstra, Johannes; Vagstad, Nils; Loigu, Enn; Iital, Arvo; Jansons, Viesturs; Abramenko, Kaspars; Sileika, Antanas SigitasXXIII Nordic Hydrological Conference ["Fresh Water Resources Management"] : Tallinn, Estonia, 8-12 August 2004 : selected articles. Vol. II2004 / p. 393-405 : ill https://artiklid.elnet.ee/record=b2343498*est

Water-flow and management of rivers in EstoniaVelner, Harald-Adam; Pärnapuu, Mare; Saks, AntsXXIII Nordic Hydrological Conference ["Fresh Water Resources Management"] : Tallinn, Estonia, 8-12 August 2004 : selected articles. Vol. II2004 / p. 466-473 : ill https://artiklid.elnet.ee/record=b2343533*est