On the occasion of Dr. D.F. Roberts' sev
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Crawford, Kenneth M.
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Article
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1997
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John Wiley and Sons
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English
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You are old, Dr. Roberts,'' the young man said, ''And your hair has grown white and quite thin. Yet you still keep abreast of your fast-changing field While some hardly know where to begin!'' ''In my youth,'' said the doctor, ''keeping up was a snap, For the journals were fewer in number. But now I