@article{15785,
      author = {Armstrong, Terry R.,},
      url = {http://library.usi.edu/record/15785},
      title = {Why do we still have an ecological crisis?},
      publisher = {Prentice-Hall},
      recid = {15785},
      pages = {x, 149 p.},
      address = {Englewood Cliffs, N.J.,},
      year = {1972},
}