@article{327409,
      recid = {327409},
      author = {Macdougall, J. D.,},
      title = {Nature's clocks : how scientists measure the age of almost  everything /},
      publisher = {University of California Press,},
      address = {Berkeley :},
      pages = {xi, 271 p. :},
      year = {2008},
      url = {http://library.usi.edu/record/327409},
}