TY - RPRT TI - Nutritional requirements and feeding of selected coolwater fishes: A review AU - H. George Ketola PY - 1978 DO - 10.1577/1548-8659(1978)40[127:nrafos]2.0.co;2 UR - https://pubs.usgs.gov/publication/1014461 ID - 1014461 ER -