| 1 | ||
| Researcher: | Ghosh, Tushar Kanti | |
| Guide: | Maiti, A K | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 2 | 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 | ||