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Citation: Dk. Delaney et al., Effects of helicopter noise on Mexican spotted owls, J WILDL MAN, 63(1), 1999, pp. 60-76

Authors: Delaney, DK Grubb, TG Beier, P

Citation: Dk. Delaney et al., Activity patterns of nesting Mexican spotted owls, CONDOR, 101(1), 1999, pp. 42-49

Authors: Delaney, DK Grubb, TG Garcelon, DK

Citation: Dk. Delaney et al., An infrared video camera system for monitoring diurnal and nocturnal raptors, J RAPT RES, 32(4), 1998, pp. 290-296