TY - RPRT TI - Geographic variation in sea otters, Enhydra lutris AU - Don E. Wilson AU - Michael A. Bogan AU - R.L. Brownell AU - A.M. Burdin AU - M.K. Maminov PY - 1991 DO - 10.2307/1381977 UR - https://pubs.usgs.gov/publication/70126494 ID - 70126494 ER -