TY - RPRT TI - Influence of shell morphology on distributions of unionids in the upper Mississippi River AU - M.R. Bartsch AU - S. J. Zigler AU - T.J. Newton AU - J.S. Sauer PY - 2009 DO - 10.1093/mollus/eyp045 UR - https://pubs.usgs.gov/publication/70034190 ID - 70034190 ER -