@article{GervaisSiedelHeilmannetal.2003,
  author    = {Frank Gervais and Ulrike Siedel and Britta Heilmann and Guntram Weithoff and Gabriele Heisig-Gunkel and Andreas Nicklisch},
  title     = {Small-scale vertical distribution of phytoplankton, nutrients and sulphide below the oxicline of a mesotrophic lake},
  url       = {http://plankt.oupjournals.org/cgi/content/full/25/3/273},
  year      = {2003},
}