@misc{1198146, author = {Lawrence I Knab and James R Clifton and Nathaniel Waters}, title = {Evaluation of a surface treatment to improve the erosion resistance of coquina stone at Castillo de San Marcos:}, year = {1990}, month = {1990-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.90-4277}, language = {en}, }