Seismotech, Ltd. published two articles in "Geophysics" magazine No. 3, 2022, namely: Ovchinnikov K.R., Finikov D.B., Shalashnikov A.V. Evaluation and correction of the signal form using a multiple wave field." Ovchinnikov K.R., Ryabinsky M.A., Finikov D.B. Phase deconvolution of 3D seismic data. Technological and methodological aspects of application of statistical algorithm for phase spectrum correction.