@misc{1155771, author = {A S Rapial}, title = {Preparation and characterization of slush hydrogen and nitrogen gels.:}, year = {1969}, month = {1969-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.378}, language = {en}, }