TY  - RPRT
TI  - Variations in the reproductive cycle of Dreissena polymorpha in Europe, Russia, and North America
AU  - Susan Jerrine Nichols
PY  - 1996
DO  - 10.1093/icb/36.3.311
UR  - https://pubs.usgs.gov/publication/1000785
ID  - 1000785
ER  -