Citation: D. Hasselquist et al., Humoral immunocompetence correlates with date of egg-laying and reflects work load in female tree swallows, BEH ECOLOGY, 12(1), 2001, pp. 93-97
Authors:
Cleveland, CC
Townsend, AR
Schimel, DS
Fisher, H
Howarth, RW
Hedin, LO
Perakis, SS
Latty, EF
Von Fischer, JC
Elseroad, A
Wasson, MF
Citation: Cc. Cleveland et al., Global patterns of terrestrial biological nitrogen (N-2) fixation in natural ecosystems, GLOBAL BIOG, 13(2), 1999, pp. 623-645