U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Weather Service ; U.S. Department of Agriculture, National Agricultural Statistics Service and World Agricultural Outlook Board
Zapiski Imperatorskoĭ akademīi nauk po Fiziko-matematicheskomu otdi︠e︡lenīi︠u︡ : Mémoires de l'Académie impériale des sciences de St. Pétersbourg. Classe Physico-mathématique