TY - GEN AU - 1Ruddiman, W.F. AU - Raymo AU - TI - Matuyma 41,000-year cycles:North Atlantic ocean and Northern Hemisphere ice sheets KW - MUDANÇAS CLIMATICAS DO PLEISTOCENICO KW - 551.583.3 KW - 523.31-323.8 KW - med KW - fre ER -