TY - RPRT TI - A two-step experimental design for a sediment bioassay using growth of the amphipod Hyalella azteca for the test end point AU - Jody A. Kubitz AU - John M. Besser AU - John P. Giesy PY - 1996 DO - 10.1002/etc.5620151020 UR - https://pubs.usgs.gov/publication/70177035 ID - 70177035 ER -