Proceedings of the BTRA technological conference
- Bombay: BTRA
- v.p.
Lib/Misc/2/84-85(wdr no.3659-63;acc.no.6661-65)
Lib/Misc/2/84-85(wdr no.3631;acc.no.6666)
Lib/Misc/2/84-85(wdr no.3636;acc.no.6667)
Lib/Misc/2/84-85(wdr no.3647;acc.no.11097)
Sponsored by BTRA & SITRA