@article{224863,
      author = {Poundstone, William.},
      url = {http://library.usi.edu/record/224863},
      title = {Carl Sagan : a life in the cosmos /},
      publisher = {Henry Holt,},
      recid = {224863},
      pages = {xvii, 473 p., [16] p. of plates :},
      address = {New York :},
      year = {1999},
}