TY - RPRT TI - Using the bootstrap and fast Fourier transform to estimate confidence intervals of 2D kernel densities AU - John W. Kern AU - Trent L. McDonald AU - Steven C. Amstrup AU - George M. Durner AU - Wallace P. Erickson PY - 2003 DO - 10.1023/a:1026092103819 UR - https://pubs.usgs.gov/publication/70182216 ID - 70182216 ER -