Images of hardy, intelligent and impressive explorers such as Jacques Cousteau were used as reference points of this new, aspirational way of perceiving customers.

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As long as an article included accurate citations, he said he had "no problem" with it being used as a reference for younger students, although academics would "probably be better off doing their own research".

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In Switzerland, which like the U.K. isn't part of the euro zone, the central bank has used the euro as its external reference point in its efforts to keep the Swiss franc's value stable.

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He used the reference to gain work as a locum in Leicester and the Isle of Wight.

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Money should be used for a proper economic purpose and not treated as a commodity on which a return can be made by reference to time.

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