Igorʹ Petrovich Druzhinin

• Dinamika mnogoletnikh kolebaniĭ rechnogo stoka
• Dolgosrochnye prognozy prirodnykh i︠a︡vleniĭ
• Dolgosrochnyĭ prognoz i informat͡s︡ii͡a︡
• Ėnergetika strany i regionov
• K ėkologicheskomu blagopoluchii͡u︡
• Kosmos--Zemli͡a︡
• Prognoz gidrometeorologicheskikh ėlementov, s godovoĭ zablagovremennostʹi͡u︡
• Prognozy razvitii︠a︡ prirodnykh i︠a︡vleniĭ
• Rechnoĭ stok i geofizicheskie prot︠s︡essy
• Sezonnye kharakteristiki t︠s︡irkuli︠a︡t︠s︡ii atmosfery severnogo polusharii︠a︡
• Solar activity and sudden changes in the natural processes on earth
• Solnechnai͡a︡ aktivnostʹ i perelomy khoda prirodnykh prot͡s︡essov na Zemle