TY - RPRT TI - Acoustic measures of the abundance and size of pelagic planktivores in Lake Michigan AU - Stephen B. Brandt AU - Doran M. Mason AU - E. Vincent Patrick AU - Ray L. Argyle AU - L. Wells AU - Philip A. Unger AU - Donald J. Stewart PY - 1991 DO - 10.1139/f91-106 UR - https://pubs.usgs.gov/publication/70006454 ID - 70006454 ER -