Книги автора H. Ward Silver
H. Ward Silver
учебники и пособия для вузов[b]Respond to the call of ham radio [/b]
Despite its old-school reputation, amateur radio is on the rise, and the airwaves are busier than e…
[b]Respond to the call of ham radio [/b]
Despite its old-school reputation, amateur radio is on the rise, and the airwaves are busier than e…
