@misc{1153176, author = {George Cataland}, title = {NBS cryogenic thermometry and the proposed cryogenic extension of the IPTS:}, year = {1974}, month = {1974-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.830}, language = {en}, }