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1Moskva : Izd-vo "Nauka",v. : ill. ; 26 cm.
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2Trudy molodykh uchenykhТруды молодых ученых /Vladikavkaz : Vladikavkazskiĭ nauch. ︠t︡sentr RAN i Pravitelʹstva RSO-A.v. ; 20 cm.