(2013). German climate observing systems: Inventory report on the Global Climate Observing System (GCOS) (Last updated: January 2013.). Selbstverl. des Dt. Wetterdienstes.
Chicago-viite (17. p.)German Climate Observing Systems: Inventory Report on the Global Climate Observing System (GCOS). Last updated: January 2013. Offenbach am Main: Selbstverl. des Dt. Wetterdienstes, 2013.
MLA-viite (8. p.)German Climate Observing Systems: Inventory Report on the Global Climate Observing System (GCOS). Last updated: January 2013. Selbstverl. des Dt. Wetterdienstes, 2013.
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