TY  - RPRT
TI  - Evaluation of a surface treatment to improve the erosion resistance of coquina stone at Castillo de San Marcos 
AU  - Knab, Lawrence I
AU  - Clifton, James R
AU  - Waters, Nathaniel
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 90-4277
DO  - 10.6028/NIST.IR.90-4277
ER  -