TY - RPRT TI - Biotic and abiotic correlates with black bullhead population characteristics in Nebraska sandhill lakes AU - Quinton E. Phelps AU - Matthew J. Ward AU - Craig P. Paukert AU - Steven R. Chipps AU - David W. Willis PY - 2005 DO - 10.1080/02705060.2005.9664969 UR - https://pubs.usgs.gov/publication/70029672 ID - 70029672 ER -