@article{19476,
      recid = {19476},
      title = {Introduction to natural science : a resource manual for  the general examination.},
      publisher = {McGraw-Hill,},
      address = {New York :},
      pages = {vii, 188 p. :},
      year = {1979},
      url = {http://library.usi.edu/record/19476},
}