TY - RPRT TI - Developing a criterion for delisting the southern sea otter under the U.S. Endangered Species Act AU - K. Ralls AU - D. DeMaster AU - J. A. Estes PY - 2002 DO - 10.1046/j.1523-1739.1996.10061528.x UR - https://pubs.usgs.gov/publication/1007969 ID - 1007969 ER -