TY - RPRT TI - Manganese for increased production of water-bloom algae in ponds AU - C. Henderson PY - 1949 DO - 10.1577/1548-8640(1949)11[157:mfipow]2.0.co;2 UR - https://pubs.usgs.gov/publication/1013848 ID - 1013848 ER -