MICROWAVE RAMSEY PATTERN IN A LASER PUMPED CESIUM BEAM. APPLICATION TO VELOCITY DISTRIBUTION AND 2nd ORDER DOPPLER-SHIFT IN FREQUENCY STANDARD M. ArditiJ. Phys. Colloques, 42 C8 (1981) C8-261-C8-269DOI: https://doi.org/10.1051/jphyscol:1981833