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EVS-EN ISO 5667-6:2016/A11:2020 Vee kvaliteet : proovivõtt. Osa 6, Juhised jõgedest ja muudest vooluveekogudest proovide võtmiseks = Water quality : sampling. Part 6, Guidance on sampling of rivers and streams (ISO 5667-6:2014)
Agronomy Research ; 2 vol. 13 (2015)Eesti Maaülikool, Eesti Maaviljeluse Instituut, Lithuanian Institute of Agriculture, Lithuanian Institute of Horticulture, Lithuanian University of Agriculture, Latvia University of Agriculture