@article{PismaZhETF.59.91, title = {Observation of two-photon potential scattering of Rydberg sodium atoms by a microwave field}, author = {Beterov, I. M. and Ryabtsev, I. I.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {59}, issue = {2}, pages = {91}, year = {1994}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19572.shtml}, }