TY  - GEN
AU  - G Frohnsdorff
AU  - J R Clifton
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1981-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.IR.81-2239
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1981
TI  - Fly ashes in cements and concretes ::technical needs and opportunities
ER  -