@article {35188,
	title = {Relative impacts of mortality factors in field populations of the waterstrider Gerris buenoi Kirkaldy (Heteroptera: Gerridae)},
	volume = {70},
	year = {1986},
	pages = {68-76},
	publisher = {Oecologia},
	url = {http://www.springerlink.com/content/lp714054202644k1/fulltext.pdf},
	author = {Spence, J. R.}
}
