TY - GEN AU - K. Uhlig, W. Hehn T1 - OPERATION OF HE-3/HE-4 DILUTION REFRIGERATOR WITH NEWLY DEVELOPED TURBOMOLECULAR PUMP CY - PY - 1989 PB - T3 - Cryogenics VL - 29 UR - http://dx.doi.org/10.1016/0011-2275(89)90300-7 SN - 0011-2275