@article{556,
      recid = {556},
      title = {Man's impact on the global environment; assessment and  recommendations for action; report.},
      publisher = {MIT Press},
      address = {Cambridge, Mass.,},
      pages = {xxii, 319 p.},
      year = {1970},
      note = {Sponsored by the Massachusetts Institute of Technology.},
      url = {http://library.usi.edu/record/556},
}