%0 Journal Article %T Long-Term Operation and Frequency Stability of an Optically Pumped Cesium Beam Frequency Standard with Sharp-Angle Incidence of Probing Laser Beam %A Dong-Hai Yang , Dong-Hai Yang %A Yi-Qiu Wang , Yi-Qiu Wang %J Japanese Journal of Applied Physics %V 33 %N 3S %@ 0021-4922 %D 1994-03-01 %~ DeepDyve