@article{9935, author = {R. Barger and John Hall}, title = {Wavelength of the 3.39-μm laser-saturated absorption line of methane}, year = {1973}, journal = {Applied Physics Letters}, volume = {22}, pages = {196}, month = {Jan-01-1973}, issn = {00036951}, doi = {10.1063/1.1654608}, }