Citation

Moor, R.; Kopp, E.; Jenzer, U.; Ramseyer, H.; Wälchli, U.; Arijs, E.; Nevejans, D.; Ingels, J.; Fussen, D.; Barassin, A.; Reynaud, C. (1989). A double focussing mass-spectrometer for simultaneous ion measurements in the stratosphere. , ESA SP 291: 9th ESA/PAC symposium on European Rocket and Balloon Programmes and on Related Research, Lahnstein, Federal Republic of Germany, 3-7 April 1989, Vol. 291, 129-134,