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Marina Lebedeva, Alexander Makeev, Alexey Rusakov, Tatiana Romanis, Tamara Yanina, Redzhep Kurbanov, Pavel Kust and Evgeniy Varlamov
Surface Kastanozem of the Lower Volga area was first studied as a part of the pedocomplex, with the lower part (148–160 cm) formed in Early Khvalynian Chocolate clays (13–15 ka), the middle part (100–148 cm) in a mixed clay-loess sedime...
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