| 1 | |
| Researcher: | De, Alak Kumar |
| Guide: | Chaudhury, N |
| University: | Jadavpur University |
| Language: | English |
| 2 | Investigations into propagation errors in analytical aerial triangulation and adjustment |
| Researcher: | De, B P |
| Guide: | Tiwari, R S |
| University: | University of Roorkee |
| Language: | English |