00769naa#a2200193#i#450# EN\\bibl\38364 20241122091428.5 2073-5529 20200622b2020####ek#y0engy0150####ca RU Migration of heavy metals in system of coastal soil – bottom sediments – plants of the Khodtsa river during summer mean water in 2019 Journal article Astrakhan Astrakhan State Technical University 2020 7 с. Journal article local Общие вопросы математических и естественных наук. 50 Makakhaniuk Zhanna Sergeevna Zubkova Valentina Mikhailovna Rozumnaya Lyubov Anatolievna vestnik.astu.org