TY  - RPRT
TI  - Hosts of Pyganodon cataracta (eastern floater) and Strophitus undulatus (squawfoot) from the Upper Susquehanna River basin, Pennsylvania
AU  - E. van Snik Gray
AU  - W.A. Lellis
AU  - J. C. Cole
AU  - C.S. Johnson
PY  - 1999
UR  - https://pubs.usgs.gov/publication/2001567
ID  - 2001567
ER  -