by Nickel, V. V., Efremova, V. P.
Published in Advances in gerontology (01.04.2020)

by Ped’ko, B. B., Efremova, P. V.
Published in Bulletin of the Russian Academy of Sciences. Physics (01.12.2016)

by Nikel’, V. V., Kasimtsev, A. A., Efremova, V. P.
Published in Advances in gerontology (01.07.2013)

by Nickel, V V, Efremova, V P
Published in Advances in gerontology = Uspekhi gerontologii (2019)

by Nickel, V V, Efremova, V P
Published in Advances in gerontology = Uspekhi gerontologii (2017)

by Nickel', V V, Efremova, V P
Published in Advances in gerontology = Uspekhi gerontologii (2016)

by Efremova, P. V., Ped’ko, B. B., Kuznecova, Yu. V.
Published in Technical physics (01.02.2016)

by Nikel', V V, Kasimtsev, A A, Efremova, V P
Published in Advances in gerontology = Uspekhi gerontologii (2012)