Sullivan, Walter.
Continents in motion : the new earth debate / by Walter Sullivan. - 2nd ed. - New York : American Institute of Physics, 1991. - xi, 430 p. : ill., maps.
0883187035
92025196
Continental drift.
Continents in motion : the new earth debate / by Walter Sullivan. - 2nd ed. - New York : American Institute of Physics, 1991. - xi, 430 p. : ill., maps.
0883187035
92025196
Continental drift.