| 1 | |
| Researcher: | Madhusudhana Rao, D N |
| University: | Andhra University |
| Language: | English |
| 2 | Studies on Ionospheric Absorption of E- and F-Region Echoes at Waltair |
| Researcher: | Jagan Mohan Rao, B |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Mohana Rao, A S |
| University: | Andhra University |
| Language: | English |
| 4 | |
| Researcher: | Ramana Murty, Y V |
| University: | Andhra University |
| Language: | English |