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22by Thomson, J. Arthur, Ritchie, JamesGet access
Published in Transactions of the Royal Society of Edinburgh (1906)
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27by Thomson, J. Arthur, Ritchie, JamesGet access
Published in Transactions of the Royal Society of Edinburgh (1906)
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40by Colley, S, Thomson, J, Wilson, T.R.S, Higgs, N.CGet access
Published in Geochimica et Cosmochimica Acta (1984)
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