TY  - GEN
AU  - Bean, B Leonard
AU  - Dise, John R
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1961-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.MONO.28
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1961
TI  - Causes of variation in chemical analyses and physical tests of Portland cement:
ER  -