@article{10901, author = {Peter Bender}, title = {Comparison of the Rubidium-87 and Proton Zeeman Transition Frequencies in the Earth\textquoterights Magnetic Field}, year = {1962}, journal = {Physical Review}, volume = {128}, pages = {2218-2221}, month = {Jan-12-1962}, issn = {0031-899X}, doi = {10.1103/PhysRev.128.2218}, }