@article{9853, author = {John Hall and Christian Bordé}, title = {Measurement of Methane Hyperfine Structure Using Laser Saturated Absorption}, year = {1973}, journal = {Physical Review Letters}, volume = {30}, pages = {1101-1104}, month = {Jan-05-1973}, issn = {0031-9007}, doi = {10.1103/PhysRevLett.30.1101}, }