Hauss, Helena; Franz, Jasmin; Hansen, Thomas; Struck, Ulrich; Sommer, Ulrich (2013): Relative inputs of upwelled and atmospheric nitrogen to the eastern tropical North Atlantic food web: Spatial distribution of d15N in mesozooplankton and relation to dissolved nutrient dynamics. Deep Sea Research Part I: Oceanographic Research Papers, 75, 135-145, doi:10.1016/j.dsr.2013.01.010