231Pa/230Th: a proxy for upwelling off the coast of West Africa - Christl, Marcus; Lippold, Jörg; Hofmann, Alexander; Wacker, Lukas; Lahaye, Yann; Synal, Hans-Arno (Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 2010)
Available online 12 October 2009