@article {7162,
	title = {The evolutionary demography of ecological change: linking trait variation and population growth},
	journal = {Science},
	volume = {315},
	year = {2007},
	note = {PDF},
	pages = {1571-1574},
	author = {Pelletier, Fanie and Clutton-Brock, Tim and Pemberton, Josephine and Tuljapurkar, Shripad and Coulson, Tim}
}
