TY  - RPRT
TI  - Studies of hydrogen liquefier efficiency and the recovery of the liquefaction energy 
AU  - Voth, R O
AU  - Parrish, W R
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-862
DO  - 10.6028/NBS.IR.77-862
ER  -