Izsak, Miklos, ed.
Telecommunication engineering - 3d rev. ed. - Budapest Budavox Telecom Foreign Trading Co. 1971 - 1009 p.
diagrams
621.39 / I9
Telecommunication engineering - 3d rev. ed. - Budapest Budavox Telecom Foreign Trading Co. 1971 - 1009 p.
diagrams
621.39 / I9