TY  - RPRT
TI  - Scaphanocephalus expansus (Crepl.), a trematoda of the osprey, in North America
AU  - G. L. Hoffman
AU  - L.Y. Wu
AU  - A.A. Kingscote
PY  - 1953
DO  - 10.2307/3273860
UR  - https://pubs.usgs.gov/publication/1013869
ID  - 1013869
ER  -