@article{9476, author = {H. Nussbaumer}, title = {Forbidden Transitions in the C i Sequence}, year = {1971}, journal = {The Astrophysical Journal}, volume = {166}, pages = {411}, month = {Jan-06-1971}, issn = {0004-637X}, url = {http://adsabs.harvard.edu/full/1971ApJ...166..411N}, doi = {10.1086/150969}, }