@misc{1155756, author = {Dudley B Chelton}, title = {Design and construction of a liquid hydrogen temperature refrigeration system:}, year = {1960}, month = {1960-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.38}, language = {en}, }