TY - GEN AU - Johnson, Frederick C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-521 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - HATCH-A model of fish hatchery analysis: ER -