TY - RPRT TI - Effects of copper on production of periphyton, nitrogen fixation and processing of leaf litter in a Sierra Nevada, California, stream AU - Harry V. Leland AU - James L. Carter PY - 2006 DO - 10.1111/j.1365-2427.1985.tb00189.x UR - https://pubs.usgs.gov/publication/70185591 ID - 70185591 ER -