@article{103530,
      note = {Papers prepared for the symposium held on October 14, 15  and 16, 1954, organized by the Dept. of Geology of Columbia  University.},
      author = {Poldervaart, Arie,},
      url = {http://library.usi.edu/record/103530},
      title = {Crust of the earth, a symposium.},
      publisher = {Geological Society of America,},
      recid = {103530},
      pages = {viii, 762 p.},
      address = {[New York]},
      year = {1955},
}