@article {1972ApJ...173L.131C,
	title = {Detection of Interstellar Recombination Lines from Emitters of Intermediate Mass},
	journal = {\apjl},
	volume = {173},
	year = {1972},
	month = {may},
	pages = {L131},
	doi = {10.1086/180932},
	author = {Chaisson, E.~J. and Black, J.~H. and Dupree, A.~K. and Cesarsky, D.~A.}
}
