@article{226398,
      author = {Gottfried, David. and Rowe, Jack James, and Tilling,  Robert I.,},
      url = {http://library.usi.edu/record/226398},
      title = {Distribution of gold in igneous rocks,},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {226398},
      pages = {iv, 42 p.},
      address = {Washington,},
      year = {1972},
}