@article {41406,
	title = {Constraints on first reproduction in North American red squirrels},
	volume = {81},
	year = {1998},
	pages = {81-92},
	publisher = {Oikos },
	url = {http://www.blackwell-synergy.com/doi/abs/10.1034/Journal1600-0706.2000.910218.x},
	author = {Becker, C. Dustin and Boutin, Stan and Larsen, Karl W.}
}
