| |
| 1983 | ||
|---|---|---|
| 2 | Rushdi H. Muammar: Frequency-hopped multilevel frequency shift keying spread spectrum for mobile radio communication systems (Ph.D. Thesis abstr.). IEEE Transactions on Information Theory 29(4): 631 (1983) | |
| 1982 | ||
| 1 | Rushdi H. Muammar: Frequency-hopped multilevel frequency shift keying spread spectrum for mobile radio communication systems (Ph.D. Thesis abstr.). IEEE Transactions on Information Theory 28(6): 979 (1982) | |