@article{20540,
      recid = {20540},
      author = {Purves, William K. and Orians, Gordon H. and Heller, H.  Craig. and London, Jacqueline.},
      title = {Le monde du vivant : traité de biologie /},
      pages = {1224 pages :},
      note = {Trad. de : Life : the science of biology.},
      url = {http://tind.wipo.int/record/20540},
}