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On the Lyell Collection click on [PDF] at the end of the article required, for example -

C. W. Rapela and R. J. Pankhurst
The granites of northern Patagonia and the Gastre Fault System in relation to the break-up of Gondwana
Geological Society, London, Special Publications 1992 volume 68: 209-220. [Abstract] [PDF] [References]

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