@article{Linnartz19991, title = "Electronic Ground and Excited State Spectroscopy of \{C6H\} and \{C6D\} ", journal = "Journal of Molecular Spectroscopy ", volume = "197", number = "1", pages = "1 - 11", year = "1999", note = "", issn = "0022-2852", doi = "http://dx.doi.org/10.1006/jmsp.1999.7885", url = "http://www.sciencedirect.com/science/article/pii/S0022285299978852", author = "H. Linnartz and T. Motylewski and O. Vaizert and J.P. Maier and A.J. Apponi and M.C. McCarthy and C.A. Gottlieb and P. Thaddeus" }