An optical fibre computer network for coal mining applications—a report on the development and test stages

Mining Science and Technology - Tập 7 - Trang 71-86 - 1988
Helmut Eichmeyer1, Manfred Gross1
1Technische Universität Berlin, Institut für Bergbauwissenschaften, Sekr. BH 3, Straβe des 17 Juni 135, 1000 Berlin (West) 12 F.R.G.