@article {finkenthal1990deltan,
	title = {Δn= 0 N-shell emission of rare earth ions (Z= 59 to 70) emitted from low and high density tokamak and laser produced plasmas},
	journal = {Physica Scripta},
	volume = {41},
	number = {4},
	year = {1990},
	pages = {445},
	publisher = {IOP Publishing},
	author = {Finkenthal, M and Lippmann, S and Huang, LK and Moos, HW and Lee, YT and Spector, N and Zigler, A and Yarkoni, E}
}
