%0 Journal Article %T Extant Unless Proven Extinct? Or, Extinct Unless Proven Extant? %A DIAMOND, JARED M. %J Conservation Biology %V 1 %N 1 %P 77-79 %@ 0888-8892 %D 1987-05-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve