Biological uncertainty in the Endangered Species Act Author Taylor R.J. Journal/Series Natural Resources & Environment | Vol. 8(1); 6 - 9; 58 - 59; 6 p. Date 1993 Source IUCN (ID: ANA-050030) Publisher | Place of publication American Bar Association | Chicago, IL, USA Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword Endangered species