TY - RPRT TI - Effects of copper on composition species of periphyton in a Sierra Nevada, California, stream AU - H.V. Leland AU - J.L. Carter PY - 2006 DO - 10.1111/j.1365-2427.1984.tb00041.x UR - https://pubs.usgs.gov/publication/70013383 ID - 70013383 ER -