@misc{1164486, author = {James V Ryan}, title = {Evaluation of refractory qualities of concretes for jet aircraft warm-up, power check maintenance aprons, and runways ::final report}, year = {1966}, month = {1966-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.9415}, language = {en}, }