@article{295353,
      author = {Weeks, John Robert,},
      url = {http://library.usi.edu/record/295353},
      title = {Population : an introduction to concepts and issues /},
      publisher = {Wadsworth Pub. Co.,},
      recid = {295353},
      pages = {xix, 579 p. :},
      address = {Belmont, Calif. :},
      year = {1992},
}