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Low-cost LED flashlights and market spoiling in Kenya’s off-grid lighting market
Computergesteuertes Nachrichtensystem am Kap der Guten Hoffnung
1.500 HP Diesel Electric Locomotive for Nigerian Railway Corporation
Die Bedeutung der Eisenbahn für die Wirtschaft Gabun
The Mahali Space Weather Project: Advancing GNSS Ionospheric Science
Electrification at 50 kV: heavy haul Sishen-Saldanha railway in South Africa
Quand un cable sous-marin offre a l'humanite les bases d'un partage a l'echelle planetaire
'Hi-tech' electric locomotive developments of the South African transport service