TY - RPRT TI - Low-cost field estimation of yellow perch daily ration AU - R.S. Hayward AU - F. Joseph Margraf AU - D.L. Parrish AU - B. Vondracek PY - 1991 DO - 10.1577/1548-8659(1991)120<0589:lfeoyp>2.3.co;2 UR - https://pubs.usgs.gov/publication/1014551 ID - 1014551 ER -