TY  - RPRT
TI  - First record of Graphoderus liberus (Coleoptera: Dytiscidae) in North Dakota
AU  - B.A. Hanson
AU  - N.H. Euliss
AU  - D.M. Mushet
PY  - 2004
UR  - https://pubs.usgs.gov/publication/1001776
ID  - 1001776
ER  -