Press, Frank
Earth
W H Freeman , 1974
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Dutch, Steven I.
Earth science
Wadsworth, 1997
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Brown, G.C.
The Inaccessible earth
Allen & Unwin, 1981
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Dalrymple, G. Brent
The age of the earth
Stanford Univ.Press, 2001
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Investigating the earth
Houghton Mifflin, 1967
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