Danielson, G. L.
Radio and line transmission - 2nd ed. - London The English Language Book Society 1969 - 282p. ill.
volume-1
Communication electrical engineering
623.8 / DAN/1969
Radio and line transmission - 2nd ed. - London The English Language Book Society 1969 - 282p. ill.
volume-1
Communication electrical engineering
623.8 / DAN/1969