@article{63788,
      author = {Kohman, Truman P.},
      url = {http://library.usi.edu/record/63788},
      title = {Extinct natural radioactivity : possibilities and  potentialities /},
      publisher = {New York Academy of Sciences,},
      recid = {63788},
      pages = {503-542 p. ;},
      address = {New York :},
      year = {1956},
}