1. Performance of a small centrifugal pump in He I and He II;Ludtke;Adv Cryo Eng,1988
2. Characterization of a centrifugal pump in He II;Weisend;Adv. Cryo Eng,1988
3. Investigation of fountain effect pumps for circulating pressurized He II;Hofmann,1986
4. Tests of a nearly ideal, high rate thermomechanical pump;DiPirro,1988
5. Operation and calibration of turbine flowmeters with supercritical helium;Cairnes,1972