@misc{indiciae7e5b12f6a651, title = {Monitoring multiple species: Estimating state variables and exploring the efficacy of a monitoring program}, author = {S.D. Mattfeldt and L.L. Bailey and E.H.C. Grant}, year = {2009}, doi = {10.1016/j.biocon.2008.12.002}, url = {https://pubs.usgs.gov/publication/5224935}, note = {Source identifier: 5224935} }