@article{909183,
      note = {"Simultaneously published in the USA and Canada"--t.p.  verso.},
      author = {Aberth, John,},
      url = {http://library.usi.edu/record/909183},
      title = {An environmental history of the Middle Ages the crucible  of nature / [electronic resource] :},
      publisher = {Routledge,},
      recid = {909183},
      pages = {xvi, 326 p. :},
      address = {London ;},
      year = {2013},
}