Spring, C. B.; Pielert, J. H.; Leigh, S.; Heckert, N. A.
view article (9.9981365)
Graphical Analysis of the CCRL Portland Cement Proficiency Sample Database (Samples 1-72).
National Institute of Standards and Technology, Gaithersburg, MD
NISTIR 5387,
March 1994,
123 p.