@article {932,
	title = {Variation in selection pressures on the goldenrod gall fly and the competitive interactions of its natural enemies},
	journal = {Oecologia},
	volume = {79},
	year = {1989},
	month = {1989///},
	pages = {15 - 22},
	author = {Abrahamson,W.G. and Sattler,J.F. and McCrea,K.D. and Weis,A.E.}
}
