PT Journal AU Gil, W Bonn, J Dormicchi, O Gehring, R Kleinfeller, J Kosmider, A Putselyk, S Schön, HP Tassisto, M TI Status of the magnets of the two tritium pumping sections for KATRIN SO IEEE Transactions on Applied Superconductivity PY 2012 BP 4500604/1 EP 4 VL 22 IS 3 DI 10.1109/TASC.2011.2175353 LA english ER