TY - JOUR T1 - Planktonic foraminifera, calcareous nannoplankton and ascidian variations during the last 25 kyr in the Southwestern Atlantic: A paleoproductivity signature? JF - Marine Micropaleontology Y1 - 2007 A1 - Toledo, Filipe A. L. A1 - Chachao, Mario A1 - Costa, Karen B. A1 - Pivel, Maria A. G. VL - 64 N1 - id: 1061 ER -