TY - RPRT TI - Fitting population models from field data AU - J.M. Emlen AU - D.C. Freeman AU - M.D. Kirchhoff AU - C.L. Alados AU - J. Escos AU - J.J. Duda PY - 2003 DO - 10.1016/s0304-3800(02)00390-3 UR - https://pubs.usgs.gov/publication/70025833 ID - 70025833 ER -