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ISBN-13: 9781461329480, 978-1461329480. The wealth and quality of this new data makes the nuances and differences implicit in the traditional strong and weak field approach testable. Similarly, works proceed apace on the knotty problem of correlation and gen eralization of these properties through approaches such as those of Drs. P. H. Butler, J. C. Donini and M. Kibler.
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