Forsman, ED, RG Anthony, KM Dugger, EM Glenn, AB Franklin, GC White, CJ Schwarz, KP Burnham, DR Anderson, JD Nichols, JE Hines, JB Lint, RJ Davis, SH Ackers, LS Andrews, BL Biswell, PC Carlson, LV Diller, SA Gremel, DR Herter, JM Higley, RB Horn, JA Reid, J Rockweit, J Schaberel, TJ Snetsinger, and SG Sovern. 2011. Population demography of northern spotted owls. Studies in Avian Biology 40.
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