@article{835791, author = {W DeGraffenreid and S Campbell and Craig Sansonetti}, title = {Foreign Gas Pressure Broadening and Shifts of the 2S-4S Two-Photon Transition in Lithium}, year = {2003}, number = {36}, month = {2003-05-01 00:05:00}, publisher = {Journal of Physics B-Atomic Molecular and Optical Physics}, language = {en}, }