TY - RPRT TI - Management of fish populations in large rivers: a review of tools and approaches AU - Geoffrey E. Petts AU - Jack G. Imhoff AU - Bruce A. Manny AU - John F. B. Maher AU - Stephen B. Weisberg PY - 1989 UR - https://pubs.usgs.gov/publication/70171177 ID - 70171177 ER -