Authors: Welch, KM Andeen, B de Rijke, JE Foster, CA Hablanian, MH Longsworth, RC Millikin, WE Sasaki, YT Tzemos, C

Citation: Km. Welch et al., Recommended practices for measuring the performance and characteristics ofclosed-loop gaseous helium cryopumps, J VAC SCI A, 17(5), 1999, pp. 3081-3095