TY - RPRT TI - Modelling occurrence and abundance of species when detection is imperfect AU - J. Andrew Royle AU - James D. Nichols AU - Marc Kery PY - 2005 DO - 10.1111/j.0030-1299.2005.13534.x UR - https://pubs.usgs.gov/publication/5224438 ID - 5224438 ER -