| 1 | ||
| Researcher: | Inder Raj | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Koteswara Rao, M V R | |
| University: | Indian Institute of Science | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Santhanam, P S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Maheshwari, Mohanlal | |
| University: | University of Pune | |
| Language: | English | |
| Shodhganga | ||