00532naa#a2200181#i#450# EN\\bibl\47092 20241130131855.6 1681-1208 20030825b2003####ek#y0engy0150####ca RU Petrophysical properties of Quaternary lavas of Spitsbergen Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2003 7 с. Journal article local Ladygin V M Frolova Ju V Genshaft Yu S rjes.ru