African regional scientific conference Johannesburg, 17 October to 28 October 1949
African regional scientific conference Johannesburg, 17 October to 28 October 1949
- Pretoria: The Government Printer, 1949
- 469p.
Vol.1 (Proceedings and resolutions)
Scientific
Regional
016.3:5(6) / H9
Vol.1 (Proceedings and resolutions)
Scientific
Regional
016.3:5(6) / H9