@article{53867,
      author = {Strangway, David W.,},
      url = {http://library.usi.edu/record/53867},
      title = {History of the earth's magnetic field},
      publisher = {McGraw-Hill},
      recid = {53867},
      pages = {viii, 168 p.},
      address = {New York,},
      year = {1970},
}