SOMS, Juris; OŠMJANSKIS, Ēriks. CLASTIC QUATERNARY SEDIMENTS OF THE AUGŠDAUGAVA SPILLWAY VALLEY AS NATURAL RESOURCES – GRAIN SIZE DISTRIBUTION AND MICROMORPHOLOGY OF QUARTZ GRAINS AS INDICATORS FOR DISTINGUISHING ALLUVIAL AND GLACIOFLUVIAL SAND DEPOSITS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 272–276, 2019. DOI: 10.17770/etr2019vol1.4094. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/4094.. Acesso em: 19 dec. 2024.