@article{RegenbergStephNuernbergetal.2009,
  author    = {Marcus Regenberg and Silke Steph and Dirk Nuernberg and Ralph Tiedemann and Dieter Garbe-Schoenberg},
  title     = {Calibrating Mg/Ca ratios of multiple planktonic foraminiferal species with delta O-18-calcification temperatures : paleothermometry for the upper water column},
  doi       = {10.1016/j.epsl.2008.12.019},
  url       = {http://www.sciencedirect.com/science/journal/0012821X},
  year      = {2009},
}