Brown, G.C.
The Inaccessible earth
Allen & Unwin, 1981
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Press, Frank
Earth
W H Freeman , 1974
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Investigating the earth
Houghton Mifflin, 1967
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Knapp, B.J.
Earth and man
George Allen and Unwin, 1982
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Prothero, Donald R.
Evolution of the earth
McGraw-Hill, 2010
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