@article {427,
	title = {Hypothermia of Broad-tailed Hummingbirds during incubation in nature with ecological correlates},
	journal = {Science},
	volume = {180},
	year = {1973},
	note = {Trochilidae},
	pages = {751-753},
	keywords = {yesnest},
	author = {Calder, W.A. and J. Booser}
}
