Martin, J. H.; Fitzwater, S. E. «Iron-deficiency limits phytoplankton growth in the Northeast Pacific Subarctic». Nature, 331, 6154, 1988, pàg. 341–343. Bibcode: 1988Natur.331..341M. DOI: 10.1038/331341a0.
Martin, J. H.; Fitzwater, S. E. «Iron-deficiency limits phytoplankton growth in the Northeast Pacific Subarctic». Nature, 331, 6154, 1988, pàg. 341–343. Bibcode: 1988Natur.331..341M. DOI: 10.1038/331341a0.