@article{488763,
      author = {Rick, Torben C. and Erlandson, Jon.},
      url = {http://library.usi.edu/record/488763},
      title = {Human impacts on ancient marine ecosystems a global  perspective / [electronic resource] :},
      publisher = {University of California Press,},
      recid = {488763},
      pages = {x, 319 p. :},
      address = {Berkeley :},
      year = {2008},
}