TY  - GEN
AU  - Kaetzel, L J
AU  - Clifton, J R
AU  - Bentz, D P
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1989-01-01 05:01:00
DO  - https://doi.org/10.6028/NIST.IR.89-4206
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1989
TI  - Integrating knowledge for the identification of cracks in concrete using an expert system shell and extensions:
ER  -