TY  - RPRT
TI  - Factors influencing densities of non-indigenous species in the ballast water of ships arriving at ports in Puget Sound, Washington, United States
AU  - J.R. Cordell
AU  - D. J. Lawrence
AU  - N.C. Ferm
AU  - L.M. Tear
AU  - S.S. Smith
AU  - R.P. Herwig
PY  - 2008
DO  - 10.1002/aqc.986
UR  - https://pubs.usgs.gov/publication/70034497
ID  - 70034497
ER  -