@article{Laryunin2015interpretation,
author={Laryunin, O.A. and Podlesnyi, A.V. and Romanovskii, O.A.},
title={Interpretation of oblique-incidence ionograms under the assumption of a spherically stratified ionosphere},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2015},
pages={66-71},
volume={1},
issue={4},
}