TY  - BOOK
AU  - Walker, G.
AU  - Bingham, E.R.
TI  - Low-capacity cryogenic refrigeration
T2  - Monographs on cryogenics,9
SN  - 0198517602
U1  - 621.59 
PY  - 1994///
CY  - Oxford
PB  - Clarendon press
ER  -