TY - RPRT TI - Statistical design and analysis for plant cover studies with multiple sources of observation errors AU - Wilson J. Wright AU - Kathryn M. Irvine AU - Jeffrey M . Warren AU - Jenny K. Barnett PY - 2017 DO - 10.1111/2041-210x.12825 UR - https://pubs.usgs.gov/publication/70192399 ID - 70192399 ER -