| 1 | Palynology of the tertiary deposits of Kerala State, South India |
| Researcher: | Purnachandra Rao, K |
| University: | Osmania University |
| Language: | English |
| 2 | |
| Researcher: | Rao, Ratho Devi |
| University: | University of Lucknow |
| Language: | English |
| 3 | |
| Researcher: | Rao, A R |
| University: | University of Lucknow |
| Language: | English |