@ARTICLE{2007ApJ...654L..53T, author = {{Thomas}, R.~C. and {Aldering}, G. and {Antilogus}, P. and {Aragon}, C. and {Bailey}, S. and {Baltay}, C. and {Baron}, E. and {Bauer}, A. and {Buton}, C. and {Bongard}, S. and {Copin}, Y. and {Gangler}, E. and {Gilles}, S. and {Kessler}, R. and {Loken}, S. and {Nugent}, P. and {Pain}, R. and {Parrent}, J. and {P{\'e}contal}, E. and {Pereira}, R. and {Perlmutter}, S. and {Rabinowitz}, D. and {Rigaudier}, G. and {Runge}, K. and {Scalzo}, R. and {Smadja}, G. and {Wang}, L. and {Weaver}, B.~A.}, title = "{Nearby Supernova Factory Observations of SN 2006D: On Sporadic Carbon Signatures in Early Type Ia Supernova Spectra}", journal = {\apjl}, eprint = {arXiv:astro-ph/0611356}, year = 2007, month = jan, volume = 654, pages = {L53-L56}, doi = {10.1086/510780}, adsurl = {http://adsabs.harvard.edu/abs/2007ApJ...654L..53T}, adsnote = {Provided by the SAO/NASA Astrophysics Data System} }