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ордовикский adj.stresses
geochron. Ord (MichaelBurov); Ordovician (MichaelBurov)
stratigr. Ord (MichaelBurov); Ordovician (страт. MichaelBurov)
Ордовикская adj.
oil Ordovician (система)
ордовикский: 40 phrases in 7 subjects
Drilling1
Geochronology14
Geology13
Makarov2
Oil and gas1
Paleontology1
Stratigraphy8