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19th International conference of humic substances and their contribution to the climate change mitigation
- 19th International conference of humic substances and their contribution to the climate change mitigation : book of abstracts, 16-21 September, 2018, Albena Bulgaria / editor Ekaterina Filcheva . Sofia, Bulgarian Humic Substances Society , 2018 . 372 s . ISBN 978-619-90189-3-4 .
Number of the records: 1