@article {4548,
	title = {Stabel isotope signatures confirm carbon and nitrogen gain through ectomycorrhizas in the ghost orchid Epipogium aphyllum Swartz},
	journal = {Plant Biol.},
	volume = {13},
	year = {2011},
	month = {2011///},
	pages = {270 - 275},
	author = {Liebel, H. T. and Gebauer, G.}
}
