@article{HigginsClarkNathanetal.2003,
  author    = {Steven I. Higgins and Stephen James Clark and Ran Nathan and Thomas Hovestadt and Frank Martin Schurr and Jose M. V. Fragoso and Martin R. Aguiar and Eric Ribbens and Sandra Lavorel},
  title     = {Forecasting plant migration rates : managing uncertainty for risk assessment},
  year      = {2003},
}