. . . . . "Publications officielles" . . . . . . . . . . . . . . . "A subsurface organic layer associated with permafrost in the western arctic" . . . "A subsurface organic layer associated with permafrost in the western Arctic"@en . "A subsurface organic layer associated with permafrost in the western Arctic" . . "A subsurface organic layer associated with permafrost in the Western Arctic" . . .