1. Cryopumping system for TFTR neutral beam injectors;Valby,1977
2. Pumping efficiencies of three-dimensional cryopumping structures;Hemmerich;J. Vac. Sci. Technol.,1981
3. Cryopumps for JET-Design of a large scale system of open configuration for high specific pumping speed;Obert,1981
4. Design and operation of 120 keV, 75A, 1 s ion source and high specific pumping cryopump on the 5 MW neutral beam test stand at IPP, Nagoya;Oka,1984
5. Design and construction of the neutral beam injector for Compact Helical System (CHS);Kaneko,1989