@article{ refId0,
	author = {{Cernicharo, J.} and {Guélin, M.} and {Agúndez, M.} and {Kawaguchi, K.} and {McCarthy, M.} and {Thaddeus, P.}},
	title = {Astronomical detection of C$\mathsf{_{4}H^-}$, the second interstellar anion},
	DOI= "10.1051/0004-6361:20077415",
	url= "http://dx.doi.org/10.1051/0004-6361:20077415",
	journal = {A&A},
	year = 2007,
	volume = 467,
	number = 2,
	pages = "L37-L40",
	month = "",
}