@misc{indiciae2170bdc68d89, title = {Time-series model, statistical methods, and software documentation for R–QWTREND—An R package for analyzing trends in stream-water quality}, author = {Aldo V. Vecchia and Rochelle A. Nustad}, year = {2020}, doi = {10.3133/ofr20201014}, url = {https://pubs.usgs.gov/publication/ofr20201014}, note = {Source identifier: ofr20201014} }