Taschenbuch der drahtlosen Telegraphie und Telephonie
by E. Alberti, G. Anders, H. Backhaus, F. Banneitz, H. Carsten
Writing a summary for young readers…
For young readers
Book data: Open Library
by E. Alberti, G. Anders, H. Backhaus, F. Banneitz, H. Carsten
Book data: Open Library