Shpynev B.G., Oinats A.V., Lebedev V.P., Chernigovskaya M.A., Belinskaya A.Yu. Variations of upper/middle atmosphere parameters with periods of 3-30 days and their sources.
V.V. Khakhinov, A.P. Potekhin, V.V. Lebedev, D.S. Kushnarev, B.G. Shpynev, K.G. Ratovsky, S.S. Alsatkin RESULTS OF DIAGNOSTICS OF PROCESSES IN THE IONOSPHERE GENERATED BY SPACECRAFT ONBOARD ENGINES: RADIOPHYSICAL METHODS