File:Vostok_420ky_4curves_insolation.jpg licensed with Cc-pd-mark-footer, PD-USGov 2010-05-02T17:58:23Z Pieter Kuiper 1600x1092 (193421 Bytes) Reverted to...
399:429-436 (1999). Derivative works of this file: Vostok 420ky 4curves insolation to 2004.jpg English applies to jurisdiction: United States of America determination...
