Works of the Marine Hydrophysical Institute of the Russian Academy of Sciences in the field of remote sensing of seas and oceans (to the 90th anniversary of the institute)

by Yermolov Pavel P.
Published 2019-01-01

The struggle for the range of telephone communication before the invention of the audion Lee de Forest

by Pestrikov Victor M., Yermolov Pavel P.
Published 2019-01-01