armónicas : 85 phrases in 14 subjects |
Communications | 14 |
Cultural studies | 1 |
Electronics | 43 |
Information technology | 5 |
Magnetics | 2 |
Mathematics | 7 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Power electronics | 3 |
Scientific | 2 |
Sound recording | 1 |
Statistics | 3 |
Technology | 1 |
Telegraphy | 1 |