@misc{1199101, author = {James R Clifton and Lawrence I Knab}, title = {Service life of concrete:}, year = {1989}, month = {1989-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.89-4086}, language = {en}, }