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The Freja Hot Plasma ExperimentInstrument and first results

Rickard N. Lundin, O. Norberg, P. Riihela, 1994 .

First multispacecraft ion measurements in and near the Earth's magnetosphere with the identical Cluster ion spectrometry (CIS) experiment

I. Papamastorakis, I. Dandouras, P. Baldetti, 2001 .