TY - GEN AU - Knab, Lawrence I AU - Clifton, James R AU - Waters, Nathaniel C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1990-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.90-4277 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1990 TI - Evaluation of a surface treatment to improve the erosion resistance of coquina stone at Castillo de San Marcos: ER -