| 1 | Some studies on PCM systems and voice band data communication in the Calcutta telephone network | |
| Researcher: | Chakrabarti, Samar Kumar | |
| Guide: | Bandyopadhyay, P | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Gopinathan, E | |
| Guide: | Dutta Roy, S CPatney, R K | |
| University: | Indian Institute of Technology-delhi | |
| Language: | English | |
| 3 | ||
| Researcher: | Narayanaswami, K | |
| Guide: | Rajappan, K P | |
| University: | Indian Institute of Technology-madras | |
| Language: | English | |