@article {34209,
	title = {Habitat partitioning among developmental stages of waterstriders (Heteroptera : Gerridae)},
	volume = {42},
	year = {1984},
	pages = {267-275},
	publisher = {Oikos },
	url = {http://www.blackwell-synergy.com/doi/pdf/10.1111/Journal1600-0587.1986.tb01191.x},
	author = {Nummelin, M. and Vepsaelaeinen, K. and Spence, J. R.}
}
