American Geophysical Union1969.Geophysical monograph
13 , Publication / National Academy of Sciences, National Research Council
1708 , Scientific report / International Upper Mantle Project
21
Leon Knopoff, Charles L. Drake, Pembroke J. Hart, editors
American Geophysical Union1968Geophysical monograph
no. 12 , Publication / National Academy of Sciences, National Research Council
no. 1687 , Scientific report / International Upper Mantle Project
no. 15