| 1 | |
| Researcher: | Ramchandran, G N |
| University: | University of Madras |
| Language: | English |
| 2 | |
| Researcher: | Sen, Bibhutibhusan |
| University: | University of Calcutta |
| Language: | English |
| 3 | |
| Researcher: | Sen, Bibhutibhushan |
| University: | University of Calcutta |
| Language: | English |