TY - RPRT TI - Estimating site occupancy, colonization, and local extinction when a species is detected imperfectly AU - D.I. MacKenzie AU - J.D. Nichols AU - J.E. Hines AU - M. G. Knutson AU - A.B. Franklin PY - 2003 DO - 10.1890/02-3090 UR - https://pubs.usgs.gov/publication/5224260 ID - 5224260 ER -